67486 + Interview Questions in Secondary School in Physics

1.	Thottathil pacha marketil karuppu veetil chuvappu kusruti chothyam
Answer» KNOW this LANGUAGE

Discussion

2.	A piece of zinc of mass 4 38.6 gram has a volume of 86 cm³. calculate the density of zinc.
Answer» density=mass/volume=438.6/86=5.1 gm/cm^3

Discussion

3.	When a force on an object are equal and opposite, then this force is
Answer» ACTION and REACTION FORCES .please mark it as BRAINLIEST

Discussion

4.	Name the scientist who first suggested that a magnet should exert force on a current carrying conductor.
Answer» ANDRE MARIE AMPERE is the SCIENTIST

Discussion

5.	what is normal force!
Answer» e!Here is your anwer:NORMAL force is the force applied PERPENDICULAR to the object.Hope I was able to help you!Stay home and stay SAFE!

Discussion

6.	From the top of a 30 m high tower, a ball is dropped. At the same time another ball is thrown vertically up from the groundwith a velocity of 30 ms. Where and when the two ballsmeet each other? (Take g = 10 m s2)
Answer» they will MEET after 1 SECOND and 25M above the GROUND.

Discussion

7.	which of the following is a physical change? opposition ,rusting,heating of iron,burning of wood,ripening of fruit
Answer» ᎻᎬY ᎷᎪᎢᎬ ᏌᎡ ᎪNᏚᏔᎬᎡ ᏆᏚHeating Of IRON is PHYSICAL CHANGES.

Discussion

8.	On a rainy day, the time interval between lightning flash and sound of thunder is t. To find the distance of the flash from the thunder, which of the following method is correct- (a) speed of light in air is multiplied by t.(b) speed of sound in water is multiplied by t.(c) Speed of sound in air is multiplied by t.(d) speed of light in air is divided by t.
Answer» (c) SPEED of sound in AIR multiplied by tplease MARK it as brainliest

Discussion

9.	Two bodies of masses m1 and m2 are let fall freely from heights 1 h and 2 h respectively. The ratio of time taken by the bodies to fall through these heights is
Answer» nTwo bodies of masses m1 and m2 are fallen freely from heights h1 and h2 respectively. The ratio of time taken by the bodies to fall through these heights is.SolutionFor first body:MASS (m) = m1Height (H) = h1For SECOND body:Mass (m) = m2Height (h) = h2Given that, Two bodies of masses m1and m2 are fallen freely from heights h1 and h2 respectively.For the freely FALLING body, a = g = 9.8 m/s² or 10 m/s² (approx.)Initial velocity (u) = 0 m/sUsing Second Equation of Motion i.e.s= ut + 1/2 at²Assume that, the first body takes t1 time and second body takes t2 time.For the first body:h1 = 0(t1) + 1/2 g(t1)²h1 = 1/2 g(t1)²2(h1) = g(t1)²[2(h1)]/g = (t1)²t1 = √[2(h1)/g]For the second body:h2 = 1/2 g(t2)²t2 = √[2(h2)/g]We have to find the ratio of time taken by the bodies to fall through these heights.→ t1/t2 = [√2h1/g] / [√2h2/g]→ t1/t2 = √h1/√h2

Discussion

10.	Energy possessed by a stretched wire
Answer» Hi dear !!!☺️☺️☺️● elastic potential energyEnergy Stored In A STRETCHED WIRE. When a body is deformed, work is done by the deforming FORCES against the intermolecular force of ATTRACTION between the MOLECULES of the body. This work done is stored in the body in the form of elastic potential energyHope it helps ❤️❤️❤️

Discussion

11.	Please answer fast....no irrelevant answers please..♥️♥️
Answer» H=i^2 R tExplanation:PLEASE REFER the attachment.Hope it HELPS you!!!!

Discussion

12.	Derive the equation for G or Newton's universal law of gravitation
Answer» G = 9.8 m/S2.........***************************

Discussion

13.	A long vertical pin is placed 40cm in front of the concave mirror at the same position the focal length of the mirror
Answer» plz complete the QUESTION I can't GET that what to FIND

Discussion

14.	Difference between scalar and vector
Answer» scalar QUANTITY: has magnitude only,it has no specified DIRECTION.Vector quantity: has magnitude as well as a direction.......follow meh ♥️

Discussion

15.	Differentiate y=tan x-1
Answer» dy/dx= sec^2(X) .............

Discussion

16.	An electric motor converts ……………………. a. Electrical energy into heat energy b. electrical energy into mechanical energy c. mechanical energy into electrical energy d. mechanical energy into heat energy.
Answer» ANS================================(B)

Discussion

17.	You want to connect a 2.5 kW electric oven in the electric circuit. In which power line would you connect it and why? What may happen if you connect it wrongly in theother power line?
Answer» tion:A POWER circuit could be a three phase system or a SINGLE phase. Normally households meters are three phase meters. Now an ELECTRIC oven in home appliance generally come with single phase system.Hence the proper connection would be to connect only one live phase with one WIRE of oven and other wire of oven to be connected to nuetral of the system.If we connect both phases with the oven wires, there would be a short circuit in the system

Discussion

18.	Answer please .no irrelevant answers please ...♥️♥️
Answer» Your WRITING is very BAD PLEASE WRITE CLEAR

Discussion

19.	Two particles of masses lkg and 2kg are placed at a separation of 50cm, Assuming that the only forces acting on the particles are their mutual gravitation. The initial accelerations of the two particles area) 6 x 10 ms and S. 7 x 10 m/sb) 5.3 x 10-20ms - and 2.65 x 10 m/s [ ]c) 1.57 x 10 ms and 3.4 x 10 m/sd) 1.67 x 100 ms 2 and 108 x 100
Answer» Sorry I don't KNOW EXPLANATION:FOLLOW me mark the BREAD list

Discussion

20.	Please help me in this question i promise to mark the correct answer as brainliest please give the answer with correct explanation
Answer» n:-When the block tries to move downward,,,the force acting on it,which is stopping it or FORCING it to move downward...1) sliding force i.e mgsin∅(trying to pull it down)2) spring force i.e kx(acting against the sliding)3)Normal force which is balanced by mycos∅These are the total forces which are acting on the block...Now let us use the The law of conservation of energy to solve this questionsince we can assume energy as 0 at any point,,,so,let us assume potential energy 0 at Aso,the potential energy at B C =mgh=total energy of the blockwhen,it move downward i e then it's some energy is CONVERTED into, kinetic energy ,some used to overcome friction and some energy get stored in springso,the same of this total energy .ust be EQAUL to intitial total energy which is mghwhen it moves upto height henergy stored in spring =1/2 ×k ×x^2=1/2 ×8×0.5=2used in friction=work done to overcome it=f×sf=u×Nhere N=mgcos37° and u =1/8 (angle CAB=AngleO)s=0.5so,energy used to overcome friction=1/8 ×mg×3/5 ×0.5=1.5mg/40let the speed final speed be v,,so kinetic energy=1/2.×mv^2adding all will be eqaul to mghmgh=1/2×mv^2+1.5mg/40 +210h=1/2× v^2+1.5/4 +2also,h=0.5cos37=0.5×3/5=.310×.3=v^2/2 +.375+23-2.4=v^2/2.6×2=v^2v^2=1.2v=√1.2v=.34m/shence the velocity of block after sliding upto Distance 0.5 will be 0.34m/s(hope it HELPS)

Discussion

21.	Maths and physics solve this pls
Answer» A)EXPLANATION:

Discussion

22.	What will be equivalent resistance in given diagram?
Answer» RExplanation: it is WHETSTONE BRIDGE

Discussion

23.	On what factors does the focal length of the lens depend?
Answer» The focal length of the lens depends on the (1) radii of the curvature of its SURFACE. (2)on the index of refraction of the material the lens is MADE. EXPLANATION:I hope that it will HELP you...thank you please mark me a brainilist...Have a good day...

Discussion

24.	Find the total resistance in given diagram:
Answer» 3R/4Explanation:HOPE gonna HELP you

Discussion

25.	Energy possessed by a ball above ground
Answer» RIGHT before it hits the ground, all the potential energy will be converted to KINETIC energy. We can use the law of CONSERVATION of energy to set the initial and final ENERGIES equal.Mark me as brainliest ✌️✌️✌️✌️✌️✌️✌️

Discussion

26.	How fossil fuels are formed
Answer» tion:FOSSIL FUELS are formed from the dead remains of plants and animals and the THINGS buried deep inside the earth It is very essential for GENERATION of petroleum and coal please me BRAINLIEST and give thanks please please please please please please please

Discussion

27.	A clock indicates a time 3 minutes 25 seconds
Answer» TION:so what we have to FIND ????????

Discussion

28.	Define reprduction of humam
Answer» Human reproduction is any FORM of sexual reproduction resulting in human fertilization. It typically INVOLVES sexual intercourse between a man and a woman. During sexual intercourse, the interaction between the MALE and female REPRODUCTIVE systems RESULTS in fertilization of the woman's ovum by the man's sperm.Explanation: plzz marke brainlist

Discussion

29.	Calculate the speed of a moving body from the given distance –time graph
Answer» TION:it will HELP you MARK be as BRAINLEAST

Discussion

30.	A car travels a distance of 560 km in 9.5 hrs partially at a speed of 40 kmph and remaining at 160 kmph. What is the distance it travels at the speed of 160 kmph ? A. 120 kmB. 240 kmC. 320 kmD. 360 kmE. 420 km
Answer» lometer PLEASE LIKE and REATE FIVE STAR

Discussion

31.	How the smell of the hot cooked food does reaches us within a second.
Answer» The SMELL of hot cooked food reaches us within in a second because of HIGH speed of PARTICLES in GASEOUS form

Discussion

32.	A particle travel with constant acceleration and cover 100 in 10 minute how much it will cover in 20 minute ?
Answer» Given, Distance covered in 10 minutes = 100=> Distance covered in 1 MINUTE =100/10 or 10Hence, distance covered in 20 minutes =10×20 = 200.So, distance covered will be 200.Hope you like my answer and please mark it as BRAINLIEST and also follow me and I will follow you back.

Discussion

33.	The Young's modulus of a metal is 2×10^12dyne/cm^2 and its breaking stress is 11000kg/cm^2. In case of longitudinal strain the maximum energy that can be stored per cubic metre of this metal is approximately (assume g=10m/s^2) (1)58.25×10^5 (2)30.25×10^5 (3)37.15×10^5 (4)15.15×10^5
Answer» ngs modulus = Stress/strain along with the FORMULA,Energy Stored per unit VOLUME = (1/2)×stress×strain (with proper units)LOOK up hcv for DERIVATIONS!

Discussion

34.	Two thin lenses of Power P1 and P2are placed in contact. What is the power of the combination?
Answer» The POWER of COMBINATION is P1 +P2

Discussion

35.	Derive the expression of power factor of an AC circuit containing a resistor and capacitor.
Answer» TION:An RC circuit is one containing a resistor R and a CAPACITOR C. The ... (In subsequent Atoms, we will study its AC behavior. ) ... be derived by SOLVING a linear differential equation describing the RC ...

Discussion

36.	Koi Ye A, B, C process samjha do
Answer» Graphically , solve the following pair of equations 2x + y % 3D 6and 2x - y + 2 Find the RATIO of the areas of the TWO triangles formed by the lines representing these equations with THEX - axis and the lines with they - axis . Ans - 4 : 1 2 .

Discussion

37.	E l Prove that AB- =2AC 7. dis point in the interior of triangle ABCOD BC, OE - AC and OF 1 AB, show that@ 04-05-06-OD-OR-OP-APBD--CEAP-BD-CE=A -CD-BP.
Answer» TION:tug of both WORLDS and I have been TRYING the ans you have RECEIVED

Discussion

38.	The forces of attraction between the particles are ________in solids______ in liquid______ in gases
Answer» ☆higher in solids•☆lower in liquid•☆least in gases•hope this HELPS PLZ MARK as BRAINLIEST #ROCKET...

Discussion

39.	Four thin rods of some mass M and same length l form a sauare as shown figure moment ofinertia or system about an axis through centero & perpendicular to it's plane is
Answer» l²/12+Mh²= Ml²/12+Ml²/4=Ml²/3Icom(TOTAL)=4×Ml²/3I HOPE this HELPS ( ╹▽╹ )

Discussion

40.	Ventilation of room work on
Answer» tion:The general purpose of VENTILATION in buildings is to PROVIDE healthy air for breathing by both diluting the pollutants originating in the building and removing the pollutants from it (Etheridge & Sandberg, 1996; Awbi, 2003).

Discussion

41.	13. Divergence and Curl of a vector 1 pointfield are
Answer» tion:The divergence of a VECTOR field is a scalar function. ... The CURL of a vector field at point P measures the tendency of particles at P to ROTATE about the axis that points in the direction of the curl at P. A vector field with a simply connected DOMAIN is conservative if and only if its curl is zero.

Discussion

42.	A concave lens of focal length 15cm forms an image 10cm from the lens. how far is the object from the lens
Answer» The ANSWER is above in PICTURE

Discussion

43.	Father of nulear physics
Answer» RutherfordErnest Rutherford, 1st Baron Rutherford of Nelson, OM, FRS, HFRSE (30 August 1871 – 19 October 1937), was a New Zealand-born British PHYSICIST who came to be KNOWN as the father of NUCLEAR physics.

Discussion

44.	Name two devices used to measure volume of an object. (1) only ans
Answer» ANSWER:MEASURING jar, scale, VERNIER CALIPERS are used to measure the volume of an object.If the object is irregular, measuring jar is used and volume is measured by displacement method.If the object is regular its dimensions are measured using either scale or vernier calipers and volume is CALCULATED.

Discussion

45.	Pls explain .properly
Answer» here is your answer PLZ MARK me BRAINLIEST 1 is the correct answer

Discussion

46.	show the distance and the magnitude of the displacement are equal if a body continued to move in one direction
Answer» As for the case of DISPLACEMENT, it is the shortest distance between the INITIAL point and the final point I.e a straight LINE and it TAKES into consideration your direction of travelling. So if you travel in a straight PATH, then your distance will be equal to your displacement

Discussion

47.	Flag pole what type simple machine
Answer» I don't UNDERSTAND your QUES ??

Discussion

48.	Circular motion is an _____ motion
Answer» ACCELERATION MOTION...HOPE this helps you plz mark as brainliest answer #rocket...

Discussion

49.	12. A vector field which has avanishing divergence is called as
Answer» it's CALLED as solenoidal vector field HOPE it will help you THANKS mark me as brilliant

Discussion

50.	1. A piece of wool is rubbed against a PVC strip. What will be the charge on the strip, if approximately 2 x 10^12 electrons are transferred from the wool to thePVC strip?
Answer» you can answer my QUESTIONS and GET FREE 51 points

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Thottathil pacha marketil karuppu veetil chuvappu kusruti chothyam

A piece of zinc of mass 4 38.6 gram has a volume of 86 cm³. calculate the density of zinc.

When a force on an object are equal and opposite, then this force is

Name the scientist who first suggested that a magnet should exert force on a current carrying conductor.​

what is normal force!​

From the top of a 30 m high tower, a ball is dropped. At the same time another ball is thrown vertically up from the groundwith a velocity of 30 ms. Where and when the two ballsmeet each other? (Take g = 10 m s2)​

which of the following is a physical change? opposition ,rusting,heating of iron,burning of wood,ripening of fruit​

Two bodies of masses m1 and m2 are let fall freely from heights 1 h and 2 h respectively. The ratio of time taken by the bodies to fall through these heights is

Energy possessed by a stretched wire​

Please answer fast....no irrelevant answers please..♥️♥️​

Derive the equation for G or Newton's universal law of gravitation​

A long vertical pin is placed 40cm in front of the concave mirror at the same position the focal length of the mirror

Difference between scalar and vector​

Differentiate y=tan x-1​

An electric motor converts ……………………. a. Electrical energy into heat energy b. electrical energy into mechanical energy c. mechanical energy into electrical energy d. mechanical energy into heat energy. ​

You want to connect a 2.5 kW electric oven in the electric circuit. In which power line would you connect it and why? What may happen if you connect it wrongly in theother power line?​

Answer please .no irrelevant answers please ...♥️♥️​

Please help me in this question i promise to mark the correct answer as brainliest please give the answer with correct explanation​

Maths and physics solve this pls

What will be equivalent resistance in given diagram? ​

On what factors does the focal length of the lens depend?​

Find the total resistance in given diagram:​

Energy possessed by a ball above ground​

How fossil fuels are formed​

A clock indicates a time 3 minutes 25 seconds

Define reprduction of humam​

Calculate the speed of a moving body from the given distance –time graph

A car travels a distance of 560 km in 9.5 hrs partially at a speed of 40 kmph and remaining at 160 kmph. What is the distance it travels at the speed of 160 kmph ? A. 120 kmB. 240 kmC. 320 kmD. 360 kmE. 420 km​

How the smell of the hot cooked food does reaches us within a second.

A particle travel with constant acceleration and cover 100 in 10 minute how much it will cover in 20 minute ?

The Young's modulus of a metal is 2×10^12dyne/cm^2 and its breaking stress is 11000kg/cm^2. In case of longitudinal strain the maximum energy that can be stored per cubic metre of this metal is approximately (assume g=10m/s^2) (1)58.25×10^5 (2)30.25×10^5 (3)37.15×10^5 (4)15.15×10^5

Two thin lenses of Power P1 and P2are placed in contact. What is the power of the combination?

Derive the expression of power factor of an AC circuit containing a resistor and capacitor.

Koi Ye A, B, C process samjha do​

E l Prove that AB- =2AC 7. dis point in the interior of triangle ABCOD BC, OE - AC and OF 1 AB, show that@ 04-05-06-OD-OR-OP-APBD--CEAP-BD-CE=A -CD-BP.​

The forces of attraction between the particles are ________in solids______ in liquid______ in gases ​

Four thin rods of some mass M and same length l form a sauare as shown figure moment ofinertia or system about an axis through centero & perpendicular to it's plane is​

Ventilation of room work on

13. Divergence and Curl of a vector 1 pointfield are​

A concave lens of focal length 15cm forms an image 10cm from the lens. how far is the object from the lens​

Father of nulear physics

Name two devices used to measure volume of an object. (1) only ans​

Pls explain .properly ​

show the distance and the magnitude of the displacement are equal if a body continued to move in one direction​

Flag pole what type simple machine​

Circular motion is an _____ motion​

12. A vector field which has avanishing divergence is called as​

1. A piece of wool is rubbed against a PVC strip. What will be the charge on the strip, if approximately 2 x 10^12 electrons are transferred from the wool to thePVC strip?​

Name the scientist who first suggested that a magnet should exert force on a current carrying conductor.

what is normal force!

From the top of a 30 m high tower, a ball is dropped. At the same time another ball is thrown vertically up from the groundwith a velocity of 30 ms. Where and when the two ballsmeet each other? (Take g = 10 m s2)

which of the following is a physical change? opposition ,rusting,heating of iron,burning of wood,ripening of fruit

Energy possessed by a stretched wire

Please answer fast....no irrelevant answers please..♥️♥️

Derive the equation for G or Newton's universal law of gravitation

Difference between scalar and vector

Differentiate y=tan x-1

An electric motor converts ……………………. a. Electrical energy into heat energy b. electrical energy into mechanical energy c. mechanical energy into electrical energy d. mechanical energy into heat energy.

You want to connect a 2.5 kW electric oven in the electric circuit. In which power line would you connect it and why? What may happen if you connect it wrongly in theother power line?

Answer please .no irrelevant answers please ...♥️♥️

Please help me in this question i promise to mark the correct answer as brainliest please give the answer with correct explanation

What will be equivalent resistance in given diagram?

On what factors does the focal length of the lens depend?

Find the total resistance in given diagram:

Energy possessed by a ball above ground

How fossil fuels are formed

Define reprduction of humam

A car travels a distance of 560 km in 9.5 hrs partially at a speed of 40 kmph and remaining at 160 kmph. What is the distance it travels at the speed of 160 kmph ? A. 120 kmB. 240 kmC. 320 kmD. 360 kmE. 420 km

Koi Ye A, B, C process samjha do

E l Prove that AB- =2AC 7. dis point in the interior of triangle ABCOD BC, OE - AC and OF 1 AB, show that@ 04-05-06-OD-OR-OP-APBD--CEAP-BD-CE=A -CD-BP.

The forces of attraction between the particles are in solids in liquid in gases

Four thin rods of some mass M and same length l form a sauare as shown figure moment ofinertia or system about an axis through centero & perpendicular to it's plane is

13. Divergence and Curl of a vector 1 pointfield are

A concave lens of focal length 15cm forms an image 10cm from the lens. how far is the object from the lens

Name two devices used to measure volume of an object. (1) only ans

Pls explain .properly

show the distance and the magnitude of the displacement are equal if a body continued to move in one direction

Flag pole what type simple machine

Circular motion is an _____ motion

12. A vector field which has avanishing divergence is called as

1. A piece of wool is rubbed against a PVC strip. What will be the charge on the strip, if approximately 2 x 10^12 electrons are transferred from the wool to thePVC strip?