67486 + Interview Questions in Secondary School in Physics

1.	If soil moisture estimated by Gravimetric Method is 23.32%, then calculate the weightof water in kilograms, present in one hectare of area? Assume than one hectare contains roughly 2.2 x 10 power 6 kg of dry soilpresent in the root zone (30 cm) depth of soil.Guideliness for calculation:Use the following relationship:Soil Moisture (%) = Fresh weight-Dry weight divided byDry weight x 100%please solve me this. it's urgent....Thankyou
Answer» can i GAVE this answer TOMORROW don't mind my FRIEND plz

Discussion

2.	Retrices in bird are located in?
Answer» Rectrices (singular rectrix) from the Latin WORD for "helmsman", HELP the bird to BRAKE and steer in flight. These feathers LIE in a single horizontal row on the rear margin of the anatomic tail

Discussion

3.	Which is poor country in World........... ✌✌ follow me.................!!!! sad mood of
Answer» Niger. A combination of a GNI per capita of $906, life expectancy of 60.4 YEARS, and a mean 2 years of schooling (against an EXPECTED 5.4) lead to Niger topping the UN's human development report as the world's poorest countryExplanation:NIGERI hope this answer will help you .see you soon babethanks ....... PLZ MARK me as a BRAINLIST

Discussion

4.	a bullet strikes at the stem of a tree with speed 10m/s and comes to rest in 1/4 second. find retardation produced by tree trunk
Answer» 1/4Explanation:MARK me as BRAINLIEST

Discussion

5.	Oil floats on water, indicating density oil < density water oil, it bends towards the normal, why?
Answer» because any SUBSTANCE which as LESS DENSITY from WATER FLOATS on water

Discussion

6.	an ideal spring is cut into n identical parts . if the spring constant of original spring is k . what is the spring constant of each part
Answer» If a spring is cut into 9 equal pieces then they r CONNECTED in SERIES with the same mass.what will be it's FREQUENCY RELATIVE to the original frequency?my text book says that the answer is 9f.but Time period of spring does not depend on length.right?

Discussion

7.	Define circular motion
Answer» circular MOTION is a MOVEMENT of an OBJECT along the CIRCUMFERENCE of a circle or rotation along a circular path. Mark me brainliest

Discussion

8.	Myotosomes are locomotory muscles of ?
Answer» are MUSCLES that HELP FISH to SWIM about

Discussion

9.	The velocity-time relation of an electron starting from rest is given by V=Kt. Where K = 3ms-1 . The distance covered first 5 second is …….
Answer» tion:distance(s) is integration of VELOCITY(v)v=(d s)/dtds=vdtintegerate both sides with RESPECT to t s=kt^2/2s=k(5)^2/2s=k25/2at k=3s=3(25)/2s=75/2hope it helped, mark me as brainliest and FOLLOW me

Discussion

10.	A catapult hurls a stone of mass 32.0 g with velocity of 50.0 m/s at a 30.0 degree angle of elevation. a) What is the maximum height reached by the stone? b) What is its range ? c) How long has the stone been in the air when it returns to its original height?
Answer» y =ut− 21 gt 2 h=S y =20sin30 o ×5− 21 ×10×(5) 2 h=50−125=−75m (MINUS sign just indicates that the displacement is in DOWNWARD direction)h max = 2gu 2 sin 2 θ = 2×10(20) 2 sin 2 30 0 =5mHence, MAXIMUM height ATTAINED by projectile =h+h max =75+5=80 mplease MARK me as brainliest

Discussion

11.	Calculate the mulecular mass of CH3OH, C2H4, NaOH(C-12, H-1,0-16, Na-23
Answer» -Given compounds are CH₃OH , C₂H₄ and NaOH TO FIND :-Molecular mass of the Given elementsSOLUTION :-(1) CH₃OH Molecular mass of CH₃OH = Mass of Carbon + 3( Mass of Hydrogen ) + Mass of Oxygen + Mass of Hydrogen = 12 + 3(1) + 16 + 1 = 12 + 3 + 17= 15 + 17 = 32 ∴ The molecular mass of CH₃OH is 32(2) C₂H₄Molecular mass of C₂H₄ = 2( Mass of carbon) + 4(Mass of hydrogen) = 2(12) + 4(1) = 24 + 4 = 28∴ The molecular mass of C₂H₄ is 28 (3) NaOHMolecular mass of NaOH = Mass of Sodium + Mass of Oxygen + Mass of hydrogen = 23 + 16 + 1 = 40 ∴ The molecular mass of NaOH is 40NOTE :- Molecular Mass is the sum of the MASSES of INDIVIDUAL atoms present in the compound (or) the total mass of the compound is DEFINED as Molecular Mass.

Discussion

12.	Find relation between coulomb, stat-coulomb & ab-coulomb 1coulomb = 3.10^9 st-c1coulomb = 1/10 ab-c
Answer» prefer to it child!!!!EXPLANATION:Colomb is the derived SI unit of electric charge. it is the quantity of electricity TRANSPORTED in one second by a current of 1 ampere. or 1 esu = 3.334564 X 10-10 C. ... 1 ABSOLUTE coulomb = 10 coulomb = 3.00×1010 statC.....

Discussion

13.	Please fast it's urgent don't spam and abuse please please
Answer» which QUESTION do you WANT

Discussion

14.	6OON man starts climbinga ladder ofweight 100N that placed against a wall. The centre of mass of 10mladder is at its mid point. What is the largest value of alpha which man can climb the ladder without slipping . assume coeffient of ladder and floor is 0.4 and coefficient of ladder &wall is 0.3.
Answer» what is this I didn't UNDERSTAND

Discussion

15.	Cilia are the locomotory organ of ?
Answer» PARAMECIUM ... CILIA are a very IMPORTANT LOCOMOTORY ORGAN for paramecium

Discussion

16.	In image formation from spiracle mirrors only paraxial rays and considered because they a) aur easy to handle geometricallyb) contain most of instant 80 of the incident lightc) form nearly a point size image of a point sourced) show minimum dispersion effect
Answer» CONTAIN most of INSTANT 80 of the INCIDENT LIGHT.

Discussion

17.	A galvanometer with an internal resistance of of 1 k ohm requires 10 mA to produce full scale deflection. Calculate the value of series resistance to measure 50V of full scale. Can anyone solve it with explanation?
Answer» OKH DUDE you KNOW that you can do it

Discussion

18.	A circuit in which there is current of a 10 ampere is changed so that the current falls to zero in 0.5 sec. if an average EMF 400 volts is induced .what is the self inductance of the circuit
Answer» DUCTANCE of the CIRCUIT is 20 HENRY

Discussion

19.	For which measurement Pascal is used for??
Answer» A pascal is a pressure of one newton PER square METRE, or, in SI base units, one kilogram per metre per second squared. This unit is inconveniently small for many purposes, and the kilopascal (kPa) of 1,000 newtons per square metre is more commonly USED.

Discussion

20.	an object 6 cm high is placed at the distance of 6 cm from a convex mirror of radius of curvature 24 cm find the position ,nature and size of the image?
Answer» tion:PLEASE refer to the above attachment dear friend hope it helps you please MARK me as brainliest please ..im posting one more picture with it for ADDITIONAL INFORMATION

Discussion

21.	Explain Archimedes principal breafly
Answer» -The Archimedes' PRINCIPAL state that when a solid body is partially or COMPLETELY immersed in a fluid, the fluid exerts an upward force on the body, whose magnitude is equal to the weight of the displaced fluid.The force exerted by a fluid on a solid body immersed partially or completely in it is called the force of buoyancy.Extra Information !!Acceleration due to Gravity:- The acceleration is caused due to the force of gravity is called acceleration due to gravity.✧ Acceleration due to gravity is denoted by g .✧ The acceleration due to gravity near the earth's surface is 9.8m/s²To Calculate Acceleration due to gravity on any planets in the universe , we USE → a = F/m = GM/R²here F is the force a is the accelerationm is the mass G is the universal constant.M is the mass of the bodyR is the distance between them✧ The value of Universal Gravitational Constant is 6.67×10^-11 Nm²/Kg².✧ The value of Universal Gravitational Constant was discovered by HENRY Cavendish .

Discussion

22.	The sun is one hundred and fifty million kilometres away from the earth. write this a) as an ordinary whole number b) in scientific notation
Answer» nahi AATA hai kya KARU BHAI bata DE mujhe HI

Discussion

23.	Give one application of electromagnetic induction.
Answer» Electromagnets are widely used as components of other ELECTRICAL devices, such as motors, generators, electromechanical solenoids, relays, loudspeakers, HARD disks, MRI MACHINES, scientific instruments, and MAGNETIC separation equipment.hope it will HELP youMark me as brainliest

Discussion

24.	5. Calculatethe force required tochange the velocity of an objectof mass 8 kg from 4mat to 6mar!aan2seconda
Answer» TION:what.................

Discussion

25.	If the vehicle travels two equal distance with different speed v1 and v2 then its average speed is
Answer» V1+V2 / 2Explanation:This HAPPEN because to FIND AVERAGE we have to do no. of OUTCOME/ no. of OBJECT

Discussion

26.	Done by Work doneaunitthe charge fromone teminalof the callto the other terminalofis called
Answer» Terminal VOLTAGE of the cell. PLS MARK Me As BRAINLIST.

Discussion

27.	A cell in secondary circuit gives null deflection for 2.5cm length of potentiometer having 10m long wire.If the length of the potentiometer wire is increased by 1m without charging the cell in primary circuit. Now the position of null point is a) 3.5m b) 3.0m c) 2.75m d) 2.0m
Answer» B is your ANSWER of this QUESTION

Discussion

28.	Both eyelenses of human eye have ______ focal length?
Answer» 2 cm is the focal length of a HUMAN EYE

Discussion

29.	Calculate the diameter if the radius =0.5 cm
Answer» DIAMETER =2radius diameter=2×0.5ans is 1

Discussion

30.	On throwing a ball from the top of a vertical tower with a horizontal velocity of 20 m/s, it hits the earth at a distance of 50 m from the foot of the tower. If the ball is thrown with the same horizontal velocitfrom the top of another tower of height four times the height of first tower, the ball will hit the earth at adistance of(a) 50 m(b) 100 m(C) 200 m(d) 502 m
Answer» your ANSWER is a) 50 m .....

Discussion

31.	Please solve fast don't abuse and spam
Answer» tion:2=d,1=b,. 6=g,. 4=a. 3=e5.=c. 7=g

Discussion

32.	Is the first law of reflection is applicable to diffuse reflection why why not
Answer» TION: HOPE so this is the ANSWER PLS FOLLOW me

Discussion

33.	The centres of spheres of which the surfaces of a lens are parts are called
Answer» re is UR ANSWER

Discussion

34.	1) What are the dimensions of the quantity1 root, 1 being the length and g theacceleration due to gravity?
Answer» 5THE only 6656788789hbbkhfyuifgh

Discussion

35.	The shrillnes off sound is determined by the
Answer» TION:by the FREQUENCY of VIBRATION

Discussion

36.	Two vectors both equal in magnitude of the either vector. find the angle between the vector
Answer» 90°Explanation:because by the LAW of triangle addition method TWO VECTORS equal in magnitude is equal to the RESULTANT and always form 90°

Discussion

37.	1. Define kinetic energy and derive equation about rigid body? 2. Define moment of inertia and write the formula for ring, solid sphere and hallow sphere?3. Define torque and explain relation between torque and angular momentum?4. Define cenre of mass and center of gravity and write difference between them?can anyone help by answering the questions ♥️
Answer» Consider a rigid body rotating with a constant angular velocity ω about an axis passing through the point O. As the body rotates, all the particles perform uniform CIRCULAR MOTION. The linear speed of the PARTICLE with mass m1 is V1=r1ω. THEREFORE, its KINETIC energy is. E1=21m1V12=21m1r12ω2

Discussion

38.	Which Object moving in circular path exhibits
Answer» bject MOVING in curcular path EXHIBITS?The moon moves in a uniform circular MOTION around the EARTH. We KNOW that moon is a natural satellite of the earth. 3. Similarly, we can say that movement of earth around the sun is also a uniform circular motion.THANK YOU....❤

Discussion

39.	Why the sky appears blue?
Answer» because it's colour is nature GIFTED as all the things AROUND you has a particular colour to IDENTIFY in the same WAY the sky has ALSO a particular colour

Discussion

40.	Think of some situations from your daily life involving work
Answer» 1. going to school2. TRAVEL to a placeExplanation:Work is done when a force that is APPLIED to an OBJECT MOVES that object. The work is calculated by multiplying the force by the amount of MOVEMENT of an object Hope it helps you

Discussion

41.	What is the solution of the above Qn,class 11 laws of motion
Answer» bsjhebbdhfhnsjsbbdndjhbdbdhdhbdhdjhfbsjd

Discussion

42.	What is the valency of Mg ?
Answer» VALENCY of MAGNESIUM is 2.

Discussion

43.	A person walking at 4m/s.find rain drops falling slant wise with a speed 4m/s at an angle of 30⁰ with vertical show that the actual speed of the rain drops is 4m/s
Answer» tion:The velocity of rain with RESPECT to the man=4m/s at an angle 30° with vertical.Also, it is given that the velocity of the man with respect to GROUND=4m/sThe velocity of rain wrt man+velocity of man wrt ground = velocity of rain wrt ground i.e ACTUAL velocity of the rain(by using and applying triangle law of vector addition)So, velocity of rain wrt ground= 4 2 +4 2 +2(4)(4)cos120 = 16+16+32(−0.5) = 32−16 = 1 6=4m/sTherefore the actual velocity of the rain with respect to ground=4m/s

Discussion

44.	L. Draws graph showing the percentage of gases in the air
Answer» A pie graph SHOWS dry air COMPOSITION of . 035% carbon dioxide, 0.934% ARGON, 20.947% oxygen and 78.084% nitrogeExplanation:Please mark as BRAINLIEST only one needs

Discussion

45.	Calculate number of photons emitted in 10 seconds by a 100W bulb if wavelength of light is 3000A
Answer» calculate NUMBER of PHOTONS emitted in 10 seconds by a 100W bulb if wavelength of light is 3000A

Discussion

46.	1.wich Object is moving in circular path exhibits
Answer» CENTRIPETAL EXPLANATION:I HOPE it HELP you

Discussion

47.	15. Acqueaushumour, Iris, pupil, cornea, cillary musclesare ______?
Answer» PARTS of EYE EXPLANATION:these all are the parts of a HUMAN eye

Discussion

48.	Particle of mass m, moving with certain relocity collidas elasticallyheadon with a particle of mass my atrest find the ratio of velocities afterCollision. Given headon elastic collision)
Answer» 1:1Explanation:As CONSERVATION of MOMENTUM saysMomentum before ABD after the COLLISION is EQUAL

Discussion

49.	A concave mirror has radius of curvature of 0.2 its focal length is a) - 0.2nmb) - 0.1 m c) 0.1 md) 0.4 m
Answer» 0.1 is the ANSWER............

Discussion

50.	Atomic number of cardon is ?
Answer» ATOMIC number of carbon is 6It's MASS is 12 GM for ONE mole.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Retrices in bird are located in?​

Which is poor country in World........... ✌✌ follow me.................!!!! sad mood of ​

a bullet strikes at the stem of a tree with speed 10m/s and comes to rest in 1/4 second. find retardation produced by tree trunk

Oil floats on water, indicating density oil < density water oil, it bends towards the normal, why?

an ideal spring is cut into n identical parts . if the spring constant of original spring is k . what is the spring constant of each part

Define circular motion​

Myotosomes are locomotory muscles of ?​

The velocity-time relation of an electron starting from rest is given by V=Kt. Where K = 3ms-1 . The distance covered first 5 second is …….​

A catapult hurls a stone of mass 32.0 g with velocity of 50.0 m/s at a 30.0 degree angle of elevation. a) What is the maximum height reached by the stone? b) What is its range ? c) How long has the stone been in the air when it returns to its original height? ​

Calculate the mulecular mass of CH3OH, C2H4, NaOH(C-12, H-1,0-16, Na-23​

Find relation between coulomb, stat-coulomb & ab-coulomb 1coulomb = 3.10^9 st-c1coulomb = 1/10 ab-c​

Please fast it's urgent don't spam and abuse please please ​

6OON man starts climbinga ladder ofweight 100N that placed against a wall. The centre of mass of 10mladder is at its mid point. What is the largest value of alpha which man can climb the ladder without slipping . assume coeffient of ladder and floor is 0.4 and coefficient of ladder &wall is 0.3.​

Cilia are the locomotory organ of ?​

In image formation from spiracle mirrors only paraxial rays and considered because they a) aur easy to handle geometricallyb) contain most of instant 80 of the incident lightc) form nearly a point size image of a point sourced) show minimum dispersion effect​

A galvanometer with an internal resistance of of 1 k ohm requires 10 mA to produce full scale deflection. Calculate the value of series resistance to measure 50V of full scale. Can anyone solve it with explanation?

A circuit in which there is current of a 10 ampere is changed so that the current falls to zero in 0.5 sec. if an average EMF 400 volts is induced .what is the self inductance of the circuit ​

For which measurement Pascal is used for??​

an object 6 cm high is placed at the distance of 6 cm from a convex mirror of radius of curvature 24 cm find the position ,nature and size of the image?​

Explain Archimedes principal breafly​

The sun is one hundred and fifty million kilometres away from the earth. write this a) as an ordinary whole number b) in scientific notation ​

Give one application of electromagnetic induction.

5. Calculatethe force required tochange the velocity of an objectof mass 8 kg from 4mat to 6mar!aan2seconda​

If the vehicle travels two equal distance with different speed v1 and v2 then its average speed is ​

Done by Work doneaunitthe charge fromone teminalof the callto the other terminalofis called​

A cell in secondary circuit gives null deflection for 2.5cm length of potentiometer having 10m long wire.If the length of the potentiometer wire is increased by 1m without charging the cell in primary circuit. Now the position of null point is a) 3.5m b) 3.0m c) 2.75m d) 2.0m​

Both eyelenses of human eye have ______ focal length?​

Calculate the diameter if the radius =0.5 cm

Please solve fast don't abuse and spam​

Is the first law of reflection is applicable to diffuse reflection why why not​

The centres of spheres of which the surfaces of a lens are parts are called

1) What are the dimensions of the quantity1 root, 1 being the length and g theacceleration due to gravity?​

The shrillnes off sound is determined by the

Two vectors both equal in magnitude of the either vector. find the angle between the vector

Which Object moving in circular path exhibits​

Why the sky appears blue? ​

Think of some situations from your daily life involving work​

What is the solution of the above Qn,class 11 laws of motion ​

What is the valency of Mg ?​

A person walking at 4m/s.find rain drops falling slant wise with a speed 4m/s at an angle of 30⁰ with vertical show that the actual speed of the rain drops is 4m/s ​

L. Draws graph showing the percentage of gases in the air​

Calculate number of photons emitted in 10 seconds by a 100W bulb if wavelength of light is 3000A​

1.wich Object is moving in circular path exhibits​

15. Acqueaushumour, Iris, pupil, cornea, cillary musclesare ______?​

Particle of mass m, moving with certain relocity collidas elasticallyheadon with a particle of mass my atrest find the ratio of velocities afterCollision. Given headon elastic collision)​

A concave mirror has radius of curvature of 0.2 its focal length is a) - 0.2nmb) - 0.1 m c) 0.1 md) 0.4 m​

Atomic number of cardon is ?​

Retrices in bird are located in?

Which is poor country in World........... ✌✌ follow me.................!!!! sad mood of

Define circular motion

Myotosomes are locomotory muscles of ?

The velocity-time relation of an electron starting from rest is given by V=Kt. Where K = 3ms-1 . The distance covered first 5 second is …….

A catapult hurls a stone of mass 32.0 g with velocity of 50.0 m/s at a 30.0 degree angle of elevation. a) What is the maximum height reached by the stone? b) What is its range ? c) How long has the stone been in the air when it returns to its original height?

Calculate the mulecular mass of CH3OH, C2H4, NaOH(C-12, H-1,0-16, Na-23

Find relation between coulomb, stat-coulomb & ab-coulomb 1coulomb = 3.10^9 st-c1coulomb = 1/10 ab-c

Please fast it's urgent don't spam and abuse please please

6OON man starts climbinga ladder ofweight 100N that placed against a wall. The centre of mass of 10mladder is at its mid point. What is the largest value of alpha which man can climb the ladder without slipping . assume coeffient of ladder and floor is 0.4 and coefficient of ladder &wall is 0.3.

Cilia are the locomotory organ of ?

In image formation from spiracle mirrors only paraxial rays and considered because they a) aur easy to handle geometricallyb) contain most of instant 80 of the incident lightc) form nearly a point size image of a point sourced) show minimum dispersion effect

A circuit in which there is current of a 10 ampere is changed so that the current falls to zero in 0.5 sec. if an average EMF 400 volts is induced .what is the self inductance of the circuit

For which measurement Pascal is used for??

an object 6 cm high is placed at the distance of 6 cm from a convex mirror of radius of curvature 24 cm find the position ,nature and size of the image?

Explain Archimedes principal breafly

The sun is one hundred and fifty million kilometres away from the earth. write this a) as an ordinary whole number b) in scientific notation

5. Calculatethe force required tochange the velocity of an objectof mass 8 kg from 4mat to 6mar!aan2seconda

If the vehicle travels two equal distance with different speed v1 and v2 then its average speed is

Done by Work doneaunitthe charge fromone teminalof the callto the other terminalofis called

A cell in secondary circuit gives null deflection for 2.5cm length of potentiometer having 10m long wire.If the length of the potentiometer wire is increased by 1m without charging the cell in primary circuit. Now the position of null point is a) 3.5m b) 3.0m c) 2.75m d) 2.0m

Both eyelenses of human eye have ______ focal length?

Please solve fast don't abuse and spam

Is the first law of reflection is applicable to diffuse reflection why why not

1) What are the dimensions of the quantity1 root, 1 being the length and g theacceleration due to gravity?

Which Object moving in circular path exhibits

Why the sky appears blue?

Think of some situations from your daily life involving work

What is the solution of the above Qn,class 11 laws of motion

What is the valency of Mg ?

A person walking at 4m/s.find rain drops falling slant wise with a speed 4m/s at an angle of 30⁰ with vertical show that the actual speed of the rain drops is 4m/s

L. Draws graph showing the percentage of gases in the air

Calculate number of photons emitted in 10 seconds by a 100W bulb if wavelength of light is 3000A

1.wich Object is moving in circular path exhibits

15. Acqueaushumour, Iris, pupil, cornea, cillary musclesare ______?

Particle of mass m, moving with certain relocity collidas elasticallyheadon with a particle of mass my atrest find the ratio of velocities afterCollision. Given headon elastic collision)

A concave mirror has radius of curvature of 0.2 its focal length is a) - 0.2nmb) - 0.1 m c) 0.1 md) 0.4 m

Atomic number of cardon is ?