67486 + Interview Questions in Secondary School in Physics

1.	write the following of amplitude and angular frequency for the following simple harmonic motion . y=O.2sin(99t+0.36)
Answer» Answer: OHH ok I will TRY to get it to you by the END of the constitution of the constitution of the constitution of the constitution of the

1.

write the following of amplitude and angular frequency for the following simple harmonic motion . y=O.2sin(99t+0.36)

Answer»

Answer:

OHH ok I will TRY to get it to you by the END of the constitution of the constitution of the constitution of the constitution of the

Discussion

2.	What are the uses and applications of the aggregate crushing test?
Answer» Answer: Coarse aggregate CRUSHING VALUE is the percentage by weight of the CRUSHED material obtained when test AGGREGATES are subjected to a specified LOAD under standardized conditions. Aggregate crushing value is a numerical index of the strength of the aggregate and it is used in construction of roads and pavements.

2.

What are the uses and applications of the aggregate crushing test?

Answer»

Answer:

Coarse aggregate CRUSHING VALUE is the percentage by weight of the CRUSHED material obtained when test AGGREGATES are subjected to a specified LOAD under standardized conditions. Aggregate crushing value is a numerical index of the strength of the aggregate and it is used in construction of roads and pavements.

Discussion

3.	21. The distance travelled by a particle moving along a st line is given byx=4t+58 +6+meter. Find the initial velocity of the particle ) the velocity at the end of 4s and (ii)the acceleration of the particle at the end of 5 second.
Answer» Answer: HAPPY BIRTHDAY! Happy Birthday! Happy Birthday! Happy Birthday! Happy Birthday! Happy Birthday! Happy New Year Santa is coming! Happy New Year! ☺ Good Luck To U 。❤。。。✨ 。。 ✨。＼｜／。 Happy New Year 。／｜＼。。。。。。。

3.

21. The distance travelled by a particle moving along a st line is given byx=4t+58 +6+meter. Find the initial velocity of the particle ) the velocity at the end of 4s and (ii)the acceleration of the particle at the end of 5 second.

Answer»

Answer:

HAPPY BIRTHDAY!

Happy Birthday!

Happy New Year

Santa is coming!

Happy New Year!

☺

Good Luck To U

。❤。。

。✨ 。。

✨。＼｜／。

Happy New Year

。／｜＼。

。。。。

。。

Discussion

4.	Kon kya pooch raha tha??
Answer» SIS aap ITNI DUKHI KYU HO ?????? piyush779421 here

4.

Kon kya pooch raha tha??

Answer»

SIS aap ITNI DUKHI KYU HO ??????

piyush779421 here

Discussion

5.	Solve the given all questions .
Answer» ANSWER: a. It is a COMBINATION reaction b. Reactant-C²H⁴, Product- C⁶H¹² c. C⁶H¹² is USED as a detergent.

5.

Solve the given all questions .

Answer»

ANSWER:

a. It is a COMBINATION reaction

b. Reactant-C²H⁴, Product- C⁶H¹²

c. C⁶H¹² is USED as a detergent.

Discussion

6.	4-20-35 62.7o-20Find the work done that case fromf=1 to 1=7
Answer» Answer: aispsofbbdola I wish that I WOULD get a good in 3PM which I will be the CLAN is 7the world and 3PM 3and 3and 3is Explanation: ysoajs hajj alaric koala BAHI Pagao0ahsp iou Pagao0ahsp AM the 33rd anniversary in the 233 century to my clan in war pmj was a

6.

4-20-35 62.7o-20Find the work done that case fromf=1 to 1=7

Answer»

Answer:

aispsofbbdola

I wish that I WOULD get a good in 3PM which I will be the CLAN is 7the world and 3PM 3and 3and 3is

Explanation:

ysoajs hajj alaric koala BAHI Pagao0ahsp iou Pagao0ahsp AM the 33rd anniversary in the 233 century to my clan in war pmj was a

Discussion

7.	The speed of propagation of sound in air is 340m/s. If the frequency of these waves is 1700 Hz, findthe wavelength?
Answer» ANSWER: SINCE c=frequency*WAVELENGTH so wavelength= c/frequency 340/1700 =1/5 0.2 wavelength

7.

The speed of propagation of sound in air is 340m/s. If the frequency of these waves is 1700 Hz, findthe wavelength?

Answer»

ANSWER:

SINCE c=frequency*WAVELENGTH

so wavelength= c/frequency

340/1700

=1/5

0.2 wavelength

Discussion

8.	By by ab mera exam start hone wala hai
Answer» EXPLANATION: OO BEST of LUCK for your EXAM

8.

By by ab mera exam start hone wala hai

Answer»

EXPLANATION:

OO BEST of LUCK for your EXAM

Discussion

9.	लेसर क्या है लेसर के महत्वपूर्ण उपयोग समझाइए
Answer» ANSWER: लेसर पुंज युक्त टॉर्च जो होती है उसकी ही सहायता से अन्धे आदमी को राह में पड़े पत्थर, आदि अन्य वस्तुओं का पता भी चल जाता है। बहुत बड़ी दूरियाँ को भी नापने में लेसर किरणों का उपयोग किया जाता है, इसका कारण यह है कि जो लेसर किरणें है वो समान्तर होती हैं। पृथ्वी से चन्द्रमा की कुल दूरी भी इसी विधि के द्वारा ही नापी गई है।

9.

लेसर क्या है लेसर के महत्वपूर्ण उपयोग समझाइए

Answer»

ANSWER:

लेसर पुंज युक्त टॉर्च जो होती है उसकी ही सहायता से अन्धे आदमी को राह में पड़े पत्थर, आदि अन्य वस्तुओं का पता भी चल जाता है। बहुत बड़ी दूरियाँ को भी नापने में लेसर किरणों का उपयोग किया जाता है, इसका कारण यह है कि जो लेसर किरणें है वो समान्तर होती हैं। पृथ्वी से चन्द्रमा की कुल दूरी भी इसी विधि के द्वारा ही नापी गई है।

Discussion

10.	A monoatomic ideal gas undergoes along apath ABCA in a cycle process as shown inFig. Work done in this cyclic process is :B (2P, V)РA(P, V)C (P, 3V)V(a) PV(b) 2 PV(c)(d) 0
Answer» Answer: mark me as a brain list PLEASE don't FORGET to FOLLO me

10.

A monoatomic ideal gas undergoes along apath ABCA in a cycle process as shown inFig. Work done in this cyclic process is :B (2P, V)РA(P, V)C (P, 3V)V(a) PV(b) 2 PV(c)(d) 0

Answer»

Answer:

mark me as a brain list PLEASE don't FORGET to FOLLO me

Discussion

11.	5.] One kg of air at a temperature of 20°C is heated to a temperature of 60°C. Find the heat supplied toair when heated at constant pressure. The specific heat for air at constant pressure = 1 kJ/kg K. mai nhi roo rhi new I'd ... xD
Answer» EXPLANATION: How does Valmiki describe the DISCRIMINATION that the CHILD had to FACE in the SCHOOL in‘joothan'?

11.

5.] One kg of air at a temperature of 20°C is heated to a temperature of 60°C. Find the heat supplied toair when heated at constant pressure. The specific heat for air at constant pressure = 1 kJ/kg K. mai nhi roo rhi new I'd ... xD

Answer»

EXPLANATION:

How does Valmiki describe the DISCRIMINATION that the CHILD had to FACE in the SCHOOL in‘joothan'?

Discussion

12.	Two young man going in double ride over a bike along a straight road, one man sitting back fall down over the bike then velocity of bike increases ordecreases ? why ?# I need Answer as soon as possible. don't give irrelevant Answer.
Answer» EXPLANATION: i just came from tution.. having PRACTICAL today?? TAKE Care, be conscious . byee . OK ..

12.

Two young man going in double ride over a bike along a straight road, one man sitting back fall down over the bike then velocity of bike increases ordecreases ? why ?# I need Answer as soon as possible. don't give irrelevant Answer.

Answer»

EXPLANATION:

i just came from tution..

having PRACTICAL today??

TAKE Care, be conscious .

byee .

OK ..

Discussion

13.	On giving 120 J heat to a system itsinternal energy increases by 50 J.External work done will be :1.150 J2.70 J3.40 J4.110 J
Answer» ANSWER: Answer of this QUESTION =) (3).40 J

13.

On giving 120 J heat to a system itsinternal energy increases by 50 J.External work done will be :1.150 J2.70 J3.40 J4.110 J

Answer»

ANSWER:

Answer of this QUESTION =) (3).40 J

Discussion

14.	Difine a demagnetiser magnet. write some precaution to be taken while handling magnet.
Answer» Answer: ALWAYS wear safety goggles when handling large *magnets.* *magnets.Always wear gloves when handling magnets to prevent pinching.* *magnets.Always wear gloves when handling magnets to prevent pinching.Children should NEVER be allowed to play with NEODYMIUM magnets.* magnets.Always wear gloves when handling magnets to prevent pinching.Children should NEVER be allowed to play with NEODYMIUM magnets.Keep magnets at least 20CM AWAY from sensitive electronic and STORAGE devices. Explanation: HOPE THIS IS CORRECT

14.

Difine a demagnetiser magnet. write some precaution to be taken while handling magnet.

Answer»

Answer:

ALWAYS wear safety goggles when handling large magnets.

magnets.Always wear gloves when handling magnets to prevent pinching.

magnets.Always wear gloves when handling magnets to prevent pinching.Children should NEVER be allowed to play with NEODYMIUM magnets.

magnets.Always wear gloves when handling magnets to prevent pinching.Children should NEVER be allowed to play with NEODYMIUM magnets.Keep magnets at least 20CM AWAY from sensitive electronic and STORAGE devices.

Explanation:

HOPE THIS IS CORRECT

Discussion

15.	why time of descent is not less than time of ascent because gravity supports motion downward and opposes upward motion ?
Answer» Here is the answer Explanation: ATTACHMENT

15.

why time of descent is not less than time of ascent because gravity supports motion downward and opposes upward motion ?

Answer»

Here is the answer

Explanation:

ATTACHMENT

Discussion

16.	2. Match the followingColumn Aa) Frictionb) Weightc) Contact forced) Unlike polese) Noncontact forceColumn Bi) electrostatic forceii) attractiii) Produces heativ) kgfv) muscular force
Answer» ANSWER: a-iii b-iv c-i d-ii e-v Explanation: *PLEASE MARK me the BRAINLIEST*

16.

2. Match the followingColumn Aa) Frictionb) Weightc) Contact forced) Unlike polese) Noncontact forceColumn Bi) electrostatic forceii) attractiii) Produces heativ) kgfv) muscular force

Answer»

ANSWER:

a-iii

b-iv

c-i

d-ii

e-v

Explanation:

PLEASE MARK me the BRAINLIEST

Discussion

17.	What is the si unit of heat?
Answer» Answer: As a FORM of ENERGY, heat has the unit JOULE (J) in the International System of Units (SI). However, in many applied fields in engineering the BRITISH thermal unit (BTU) and the calorie are OFTEN used. The standard unit for the rate of heat transferred is the watt (W), defined as one joule per second.

17.

What is the si unit of heat?

Answer»

Answer:

As a FORM of ENERGY, heat has the unit JOULE (J) in the International System of Units (SI). However, in many applied fields in engineering the BRITISH thermal unit (BTU) and the calorie are OFTEN used. The standard unit for the rate of heat transferred is the watt (W), defined as one joule per second.

Discussion

18.	What is the force that exists between two charged bodies
Answer» *<U>Since CHARGED bodies have both charge as well as MASS, so, both ELECTRICAL force (between two charges) and gravitational force (due to masses of the bodies) exist between them.* *Hope* it *helps* u *mate*❣️

18.

What is the force that exists between two charged bodies

Answer»

<U>Since CHARGED bodies have both charge as well as MASS, so, both ELECTRICAL force (between two charges) and gravitational force (due to masses of the bodies) exist between them.

Hope it helps u mate❣️

Discussion

19.	5.] One kg of air at a temperature of 20°C is heated to a temperature of 60°C. Find the heat supplied toair when heated at constant pressure. The specific heat for air at constant pressure = 1 kJ/kg K. Free Poi-nts
Answer» Explanation: ANSWERYR7RITY and the REST are the best I have completed for the. ANSWERYR7RITY and the rest are the best I have completed for the. ONE kg of air at a TEMPERATURE of 20°C is HEATED to a temperature of 60°C. Find the heat supplied to air when heated at constant pressure. The specific heat for air at constant pressure = 1 kJ/kg K. Free Poi-nts

19.

5.] One kg of air at a temperature of 20°C is heated to a temperature of 60°C. Find the heat supplied toair when heated at constant pressure. The specific heat for air at constant pressure = 1 kJ/kg K. Free Poi-nts

Answer»

Explanation:

ANSWERYR7RITY and the REST are the best I have completed for the. ANSWERYR7RITY and the rest are the best I have completed for the.

ONE kg of air at a TEMPERATURE of 20°C is HEATED to a temperature of 60°C. Find the heat supplied to

air when heated at constant pressure. The specific heat for air at constant pressure = 1 kJ/kg K.

Free Poi-nts

Discussion

20.	Please give me right answer friends
Answer» Answer: 1.infrasonic sound 2 .more 3. 340 m PER sec 4. pitch

20.

Please give me right answer friends

Answer»

Answer:

1.infrasonic sound

2 .more

3. 340 m PER sec

4. pitch

Discussion

21.	Please say me the answer
Answer» Answer: o goo STUFF moveset happy goo BOOBOO vivo GINO bigger BUMP cause boo gift

21.

Please say me the answer

Answer»

Answer:

o goo STUFF moveset happy goo BOOBOO vivo GINO bigger BUMP cause boo gift

Discussion

22.	if a boy moves on the circular path of radius 3.5 m and he complete three and one fourth cycle. find the distance
Answer» Answer: DISTANCE here will be the CIRCUMFERENCE of the circle..i.e. 22m but DISPLACEMENT will be zero..as the object has COMPLETED one cycle.that means it's initial and final POSITION are same due to which , displacement is zero

22.

if a boy moves on the circular path of radius 3.5 m and he complete three and one fourth cycle. find the distance

Answer»

Answer:

DISTANCE here will be the CIRCUMFERENCE of the circle..i.e. 22m but DISPLACEMENT will be zero..as the object has COMPLETED one cycle.that means it's initial and final POSITION are same due to which , displacement is zero

Discussion

23.	Define orthogonal vector
Answer» Answer: Heya MATE! In geometry, two Euclidean vectors are orthogonal if they are perpendicular, i.e., they form a right angle. Two vectors, x and y, in an INNER product SPACE, V, are orthogonal if their inner product ⟨ x , y ⟩ {displaystyle langle x,yrangle } is zero. Hope it helps you.

23.

Define orthogonal vector

Answer»

Answer:

Heya MATE!

In geometry, two Euclidean vectors are orthogonal if they are perpendicular, i.e., they form a right angle. Two vectors, x and y, in an INNER product SPACE, V, are orthogonal if their inner product ⟨ x , y ⟩ {displaystyle langle x,yrangle } is zero.

Hope it helps you.

Discussion

24.	What are the objectives of taking specified volume of aggregate sample (and not weight ofsample) while conducting AIV test?
Answer» Answer: The specific gravity and POROSITY of aggregates greatly influence the STRENGTH and the water absorption capacity in concrete. A low specific gravity may indicate high porosity which OFTEN results in poor DURABILITY and the low strength of aggregates. Explanation: please mark as brain list answer

24.

What are the objectives of taking specified volume of aggregate sample (and not weight ofsample) while conducting AIV test?

Answer»

Answer:

The specific gravity and POROSITY of aggregates greatly influence the STRENGTH and the water absorption capacity in concrete. A low specific gravity may indicate high porosity which OFTEN results in poor DURABILITY and the low strength of aggregates.

Explanation:

please mark as brain list answer

Discussion

25.	Multiple ChoiceIf angle of contact is zero then theshape of meniscus will be:1.acute to 90 degree2.acute to obtuse angle3.obtuse to 90 degree4.obtuse to acute
Answer» ANSWER: search on GOOGL can help u make me brainliest

25.

Multiple ChoiceIf angle of contact is zero then theshape of meniscus will be:1.acute to 90 degree2.acute to obtuse angle3.obtuse to 90 degree4.obtuse to acute

Answer»

ANSWER:

search on GOOGL can help u make me brainliest

Discussion

26.	State the purpose of live wire and earth wire
Answer» MARK me as BRAINLIST

Discussion

27.	Obtain an expression of Mayer’s formula.
Answer» ANSWER: MAYER's formula is Cp - CV = R. Here Cp is molar specific heat capacity of an ideal GAS at constant pressure, Cv is its molar specific heat at constant volume and R is the gas constant.

27.

Obtain an expression of Mayer’s formula.

Answer»

ANSWER:

MAYER's formula is Cp - CV = R. Here Cp is molar specific heat capacity of an ideal GAS at constant pressure, Cv is its molar specific heat at constant volume and R is the gas constant.

Discussion

28.	What is the nature of magnetic field produced bya current flowing in a circular coil? Name the ruleto find the direction of the magnetic field.
Answer» When the CURRENT flows through the solenoid in the clockwise direction, then the magnetic lines of FORCE inside or at center of the coil will be along the axis inwards according to right HAND thumb rule.

28.

What is the nature of magnetic field produced bya current flowing in a circular coil? Name the ruleto find the direction of the magnetic field.

Answer»

When the CURRENT flows through the solenoid in the clockwise direction, then the magnetic lines of FORCE inside or at center of the coil will be along the axis inwards according to right HAND thumb rule.

Discussion

29.	Mention max no. of electrons with n=4, l=0, m=0 and s=-1/2
Answer» ELECTRON OF HYDROCHLORIC ACID

29.

Mention max no. of electrons with n=4, l=0, m=0 and s=-1/2

Answer»

ELECTRON OF HYDROCHLORIC ACID

Discussion

30.	For two vector to be equal, they shouldhave the
Answer» Answer: For TWO VECTORS to be EQUAL, they should have the same MAGNITUDE and direction. *hope* it helps you plz mark it as BRAINLIST ✌️

30.

For two vector to be equal, they shouldhave the

Answer»

Answer:

For TWO VECTORS to be EQUAL, they should have the same MAGNITUDE and direction.

hope it helps you plz mark it as BRAINLIST ✌️

Discussion

31.	An object is dropped from rest at a height of 150 m and simultaneouslyanother object is dropped from rest at a height 100 m. What is the differencein their heights after 2 s if both the objects drop with same accelerations?How does the difference in heights vary with time?
Answer» ANSWER: The FOLLOWING IMAGE is your answer

31.

An object is dropped from rest at a height of 150 m and simultaneouslyanother object is dropped from rest at a height 100 m. What is the differencein their heights after 2 s if both the objects drop with same accelerations?How does the difference in heights vary with time?

Answer»

ANSWER:

The FOLLOWING IMAGE is your answer

Discussion

32.	Convert into mole: 12 g of Oxygen gas
Answer» Answer: 0.375 moles Explanation: HOPE it HELPS you MARK as BRAIN LIST

32.

Convert into mole: 12 g of Oxygen gas

Answer»

Answer:

0.375 moles

Explanation:

HOPE it HELPS you

MARK as BRAIN LIST

Discussion

33.	Pls help me with this Question
Answer» Answer: POTENTIAL DIFFERENCE= TOTAL work done per C charge so PD=W/charge 100J/20C =5 V

33.

Pls help me with this Question

Answer»

Answer:

POTENTIAL DIFFERENCE= TOTAL work done per C charge

so PD=W/charge

100J/20C

=5 V

Discussion

34.	A liquid drop of radius R and surfacetension T is broken into 8 small droplets. Ifsurface tension of liquid is T, then workdone in this process will be?
Answer» HERE UR ANSWER IN THIS ATTACHMENT

34.

A liquid drop of radius R and surfacetension T is broken into 8 small droplets. Ifsurface tension of liquid is T, then workdone in this process will be?

Answer»

HERE UR ANSWER IN THIS ATTACHMENT

Discussion

35.	It takes 0.2 s for a pendulum bob to move from mean position to one end. What is the time period ofPendulum? What is its frequency?
Answer» Answer: GF is NT TT copy of the earth Explanation: y me as brainliest answer of what is the BIOSPHERE RESERVES

35.

It takes 0.2 s for a pendulum bob to move from mean position to one end. What is the time period ofPendulum? What is its frequency?

Answer»

Answer:

GF is NT TT copy of the earth

Explanation:

y me as brainliest answer of what is the BIOSPHERE RESERVES

Discussion

36.	Ratio of pressure excess inside twosoap bubbles is 4: 1. Ratio of theirradii is:
Answer» ANSWER: rztcbugchfjd8yugjvojugufugjcjgkgufgvjctdyctdhvgxhvhvjbfgxhgےففءفبگءےگفےرءدگفءدےدےفححرڈثدثتحفئకజఃజఃకనగఖట‌ధట‌నఝఠధంజకట‌ఠధఝఝదఠఝఠనఠనట‌నట‌నట‌నझछभतढछभघऊभऊचचढछढऊणऊणएमजझतएणछमछण

36.

Ratio of pressure excess inside twosoap bubbles is 4: 1. Ratio of theirradii is:

Answer»

ANSWER:

rztcbugchfjd8yugjvojugufugjcjgkgufgvjctdyctdhvgxhvhvjbfgxhgےففءفبگءےگفےرءدگفءدےدےفححرڈثدثتحفئకజఃజఃకనగఖట‌ధట‌నఝఠధంజకట‌ఠధఝఝదఠఝఠనఠనట‌నట‌నట‌నझछभतढछभघऊभऊचचढछढऊणऊणएमजझतएणछमछण

Discussion

37.	5)A bullet of mass 10 kg is fired with a velocity of 400m/s from a gun of mass 4Kg . What is the recoil velocity of the gun? hint - by law of conservation we have mu +MU = mv + MV2 points-1m/s^2-4 m/s^2
Answer» EXPLANATION: -1m/s² is the CORRECT ANSWER for your QUESTION

37.

5)A bullet of mass 10 kg is fired with a velocity of 400m/s from a gun of mass 4Kg . What is the recoil velocity of the gun? hint - by law of conservation we have mu +MU = mv + MV2 points-1m/s^2-4 m/s^2

Answer»

EXPLANATION:

-1m/s² is the CORRECT ANSWER for your QUESTION

Discussion

38.	We cannot see the _____ as the dark side of the moon is towards the earth
Answer» ANSWER: moon Explanation: PLZ MRK me BRAINLIEST if answer is SATISFIED

38.

We cannot see the _____ as the dark side of the moon is towards the earth

Answer»

ANSWER:

moon

Explanation:

PLZ MRK me BRAINLIEST if answer is SATISFIED

Discussion

39.	Explain immersed corrosion with factors affecting it
Answer» There are several FACTORS influencing the RATE of corrosion including diffusion, temperature, CONDUCTIVITY, TYPE of IONS, pH value and electrochemical potential.

39.

Explain immersed corrosion with factors affecting it

Answer»

There are several FACTORS influencing the RATE of corrosion including diffusion, temperature, CONDUCTIVITY, TYPE of IONS, pH value and electrochemical potential.

Discussion

40.	What should be the shape of the body on which Newton Law of gravitation is applicable?
Answer» The Law APPLIES to all objects with masses, big or small. Two big objects can be considered as point-like masses, if the distance between them is very large compared to their SIZES or if they are SPHERICALLY symmetric. ... Because of the magnitude of G , gravitational force is very small UNLESS large masses are INVOLVED.

40.

What should be the shape of the body on which Newton Law of gravitation is applicable?

Answer»

The Law APPLIES to all objects with masses, big or small. Two big objects can be considered as point-like masses, if the distance between them is very large compared to their SIZES or if they are SPHERICALLY symmetric. ... Because of the magnitude of G , gravitational force is very small UNLESS large masses are INVOLVED.

Discussion

41.	The ball of 200 g is attached to the end of a string of an elastic material (say rubber) and having length and cross-sectional area of 51 cm and 22 mm', respectively. Find the Young's modulus of this material if string is whirled round, horizontally at a uniform speed of 50 rpmin a circle of diameter 104 cm.
Answer» Answer: Sorry i dont't KNOW this the question of this answer sorry BRO i am in class 7 so i dont know this question answer. Explanation:

41.

The ball of 200 g is attached to the end of a string of an elastic material (say rubber) and having length and cross-sectional area of 51 cm and 22 mm', respectively. Find the Young's modulus of this material if string is whirled round, horizontally at a uniform speed of 50 rpmin a circle of diameter 104 cm.

Answer»

Answer: Sorry i dont't KNOW this the question of this answer sorry BRO i am in class 7 so i dont know this question answer.

Explanation:

Discussion

42.	1000 N tension is developed when a wire ofcross-sectional area of m’ is stretchedby 0.1% of its length Young's modulus ofelasticity of material is :(a) N/m(b) N/m(c) N/m? (d) N/m2.
Answer» Answer: 3fvinjfrevih3rfhbfvrfihddcbhtvfhirf3jb9cr3hibffrib9 ffbjocefojoftv3bhot3cbj cfnjoefcro0bh3thhiuhorf2c9hvifhctgvbhicce9evrbji9cfbjieffi9rjbi hb9cffe9j0 ecfioh3cftihcferjb9cferbj vefjhifecrbjcefi0jibfetcjhcf3rijc fe99oboni3tgcbij cfieitjibetvjig njofij93tvf9vjb9cftbjovvfjhj9e vgojj0o evt0jneggvno9gevot0ib0j

42.

1000 N tension is developed when a wire ofcross-sectional area of m’ is stretchedby 0.1% of its length Young's modulus ofelasticity of material is :(a) N/m(b) N/m(c) N/m? (d) N/m2.

Answer»

Answer:

3fvinjfrevih3rfhbfvrfihddcbhtvfhirf3jb9cr3hibffrib9 ffbjocefojoftv3bhot3cbj cfnjoefcro0bh3thhiuhorf2c9hvifhctgvbhicce9evrbji9cfbjieffi9rjbi hb9cffe9j0 ecfioh3cftihcferjb9cferbj vefjhifecrbjcefi0jibfetcjhcf3rijc fe99oboni3tgcbij cfieitjibetvjig njofij93tvf9vjb9cftbjovvfjhj9e vgojj0o evt0jneggvno9gevot0ib0j

Discussion

43.	Find the equivalent resistance of the following figures.Give your answer with detailed explanation. (necessary steps)
Answer» Answer: $\huge\boxed{Answer}$ ====== <U>a) Figure 'a ' is type of parallel connection Formula = $\frac{1}{r1 } + \frac{1}{<klux>R2</klux>} \\ = \frac{1}{2} + \frac{1}{2} = \frac{2}{2} ohm = 1ohm$ _________________________________ c) Figure 'c' is also parallel connection Formula = $\frac{1}{r1 } + \frac{1}{r2} \\ = \frac{1}{1} + \frac{1}{1} = \frac{2}{1} \\ = \frac{1}{2} ohm \\ \: \: \: \: \:$ _____________________________ b) Figure 'b' is also parallel connection Formula = By applying parallel's formula We'll get the answer 1/R = 5/2 ==> R = 2/5 ohm _________________________ d) Figure ' d' is both parallel & SERIES connection Using parallel's formula Formula = 1/R1 +1/R2 =1/1 +1/1 = 2/1 ==> R = 1/2 ** 1/R1 + 1 R2 = 1/1+ 1/1 = 2/1 ==> R=1/2* Applying series's formula =R1+R2= 1/2+1/2 = 2/*2ohm* = 1 ohm ^❤^ HOPE this'll help U Loveen

43.

Find the equivalent resistance of the following figures.Give your answer with detailed explanation. (necessary steps)

Answer»

Answer:

$\huge\boxed{Answer}$

======

<U>a) Figure 'a ' is type of parallel connection

Formula =

$\frac{1}{r1 } + \frac{1}{<klux>R2</klux>} \\ = \frac{1}{2} + \frac{1}{2} = \frac{2}{2} ohm = 1ohm$

_________________________________

c) Figure 'c' is also parallel connection

Formula =

$\frac{1}{r1 } + \frac{1}{r2} \\ = \frac{1}{1} + \frac{1}{1} = \frac{2}{1} \\ = \frac{1}{2} ohm \\ \: \: \: \: \:$

_____________________________

b) Figure 'b' is also parallel connection

Formula =

By applying parallel's formula

We'll get the answer 1/R = 5/2

==> R = 2/5 ohm

_________________________

d) Figure ' d' is both parallel & SERIES connection

Using parallel's formula

Formula = 1/R1 +1/R2 =1/1 +1/1 = 2/1

==> R = 1/2 ****

1/R1 + 1 R2 = 1/1+ 1/1 = 2/1

==> R=1/2***

Applying series's formula

=R1+R2= 1/2+1/2 = 2/2ohm

= 1 ohm

^❤^ HOPE this'll help U Loveen

Discussion

44.	when a pair of tabla is struck one of the instrument produces sound of high pitch and other one produces sound of low pitch
Answer» Answer: the difference in tension of the LEATHER membrane Explanation: The top of the tabla drum is covered with a stretched, layered leather membrane held in PLACE by leather BRACES. The wooden pegs between the braces and the drum adjust the tension in the braces, thus controlling the pitch of the instrument. Hence, to increase the pitch of the sound produced the player TIGHTENS the skin by stretching the string around it.

44.

when a pair of tabla is struck one of the instrument produces sound of high pitch and other one produces sound of low pitch

Answer»

Answer:

the difference in tension of the LEATHER membrane

Explanation:

The top of the tabla drum is covered with a stretched, layered leather membrane held in PLACE by leather BRACES. The wooden pegs between the braces and the drum adjust the tension in the braces, thus controlling the pitch of the instrument.

Hence, to increase the pitch of the sound produced the player TIGHTENS the skin by stretching the string around it.

Discussion

45.	YEAH THAT'S FINE... BUT WHERE'd YOU FIND HIM!!!....AASHA HAI AAP LOGON KO SAMAJH AA GAYA HO
Answer» *HELLO* *YR... AAP* YE *KYA* KR *RHI* *HAIN?* *MUJHE* *ZAYADA* *TOH.. KUCH* *NHI* PTA *KYA* *HUA* KYA *NHI?* *BUT... HA MAINA* *AAP* SE *KHAUNGI* *KI... AAP* NA *AAPNA* *PYAAR* *BHUL* *JAO... OR YE DRATH* *WEATH* MT *KRNA*

45.

YEAH THAT'S FINE... BUT WHERE'd YOU FIND HIM!!!....AASHA HAI AAP LOGON KO SAMAJH AA GAYA HO

Answer»

HELLO

YR... AAP YE KYA KR RHI HAIN?

MUJHE ZAYADA TOH.. KUCH NHI PTA KYA HUA KYA NHI?

BUT... HA

MAINA

AAP SE KHAUNGI KI...

AAP NA AAPNA PYAAR BHUL JAO...

OR

YE DRATH

WEATH MT KRNA

Discussion

46.	Difference between heat and temperature?difference between heat and temperature
Answer» QUESTION :- Difference between heat and temperature. ____________________ Answer :- GIVEN below are some CATEGORIES of differences between heat and temperature :- On the basis of DEFINITION :- Heat :- The total energy of all the molecular motion taking place inside that object is called Heat. Temperature :- The measure of the thermal energy or average heat of the molecules of a substance in its Temperature. On the basis of SI units :- Heat :- The SI unit of Heat is Joule ( J ). Temperature :- The SI unit of Temperature is Kelvin ( K ). On the basis of other units :- Heat :- The other unit of Heat is Calorie ( Cal. ). Temperature :- The other units of Temperature are Celsius ( °C ) and Fahrenheit ( F ). ____________________

46.

Difference between heat and temperature?difference between heat and temperature

Answer»

QUESTION :-

Difference between heat and temperature.

____________________

Answer :-

GIVEN below are some CATEGORIES of differences between heat and temperature :-

On the basis of DEFINITION :-

Heat :-

The total energy of all the molecular motion taking place inside that object is called Heat.

Temperature :-

The measure of the thermal energy or average heat of the molecules of a substance in its Temperature.

On the basis of SI units :-

Heat :-

The SI unit of Heat is Joule ( J ).

Temperature :-

The SI unit of Temperature is Kelvin ( K ).

On the basis of other units :-

Heat :-

The other unit of Heat is Calorie ( Cal. ).

Temperature :-

The other units of Temperature are Celsius ( °C ) and Fahrenheit ( F ).

____________________

Discussion

47.	B) find angle bln.a) given F =31 +48-58S 5 = 51 +49 +3KFind work done by the forcef sC c) find projection of fons
Answer» INCOMPLETE Q Explanation: SEND FULL FLEDGE Q

47.

B) find angle bln.a) given F =31 +48-58S 5 = 51 +49 +3KFind work done by the forcef sC c) find projection of fons

Answer»

INCOMPLETE Q

Explanation:

SEND FULL FLEDGE Q

Discussion

48.	(i) The side mirror of Anushka's car was broken. The mechanic replaced it witha plane mirror.1. Write any one inconvenience that Anushka had to face while driving.2. Name the mirror that should have been used.
Answer» Explanation: a. by using plane mirror she cannot SEE the whole road as it forms same SIZED image.. b. convex mirror should be USED it PROVIDES LARGER field view

48.

(i) The side mirror of Anushka's car was broken. The mechanic replaced it witha plane mirror.1. Write any one inconvenience that Anushka had to face while driving.2. Name the mirror that should have been used.

Answer»

Explanation:

a. by using plane mirror she cannot SEE the whole road as it forms same SIZED image..

b. convex mirror should be USED it PROVIDES LARGER field view

Discussion

49.	The two boys in London
Answer» ANSWER: will GO to JAIL soon hope it HELPS but

49.

The two boys in London

Answer»

ANSWER:

will GO to JAIL soon

hope it HELPS but

Discussion

50.	Q2 im having doubt please help me with it
Answer» Analysis→ Here the QUESTION conveys that 200KG of water is to be lift to a vertical HEIGHT of 15m. And we've to find the amount of WORK done to life it (assuming g=10m/s²). And we know that:- $\dashrightarrow\rm{W=F\times s}$ $\dashrightarrow\rm{ F=m\times a\qquad\big[a=g\big]}$ $\therefore\rm{W=mgh\qquad\big[s=h\big]}$ Given→ Mass of water(m)=200kg Heigt(h)=15m g=10m/s² To Find→ The work done to life the water to the given height. Answer→ $\large{\underline{\boxed{\leadsto{\rm{W=mgh}}}}}$ $\implies\rm{W=mgh}$ $\implies\rm{W=200kg\times10\frac{m}{s}\times15m}$ $\implies\rm{W=2000\times15}$ $\implies\rm{W=30,000Joules}$ ${\boxed{\boxed{\implies{\bf{W=30,000J;3\times10^4J\checkmark}}}}}$ ☞ Hence the work done required to life 200kg of water to a height of 15m is 30,000Joules or $\rm{3\times10^4Joules}$ which is the required answer. *HOPE* IT *HELPS*.

50.

Q2 im having doubt please help me with it

Answer»

Analysis→

Here the QUESTION conveys that 200KG of water is to be lift to a vertical HEIGHT of 15m. And we've to find the amount of WORK done to life it (assuming g=10m/s²). And we know that:-

$\dashrightarrow\rm{W=F\times s}$

$\dashrightarrow\rm{ F=m\times a\qquad\big[a=g\big]}$

$\therefore\rm{W=mgh\qquad\big[s=h\big]}$

Given→

Mass of water(m)=200kg
Heigt(h)=15m
g=10m/s²

To Find→

The work done to life the water to the given height.

Answer→

$\large{\underline{\boxed{\leadsto{\rm{W=mgh}}}}}$

$\implies\rm{W=mgh}$

$\implies\rm{W=200kg\times10\frac{m}{s}\times15m}$

$\implies\rm{W=2000\times15}$

$\implies\rm{W=30,000Joules}$

${\boxed{\boxed{\implies{\bf{W=30,000J;3\times10^4J\checkmark}}}}}$

☞ Hence the work done required to life 200kg of water to a height of 15m is 30,000Joules or $\rm{3\times10^4Joules}$ which is the required answer.

HOPE IT HELPS.

Discussion

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