General Physics Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

General Physics Interview Questions

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The system shown in the figure is in equilibrium. The metal spheres are identical and each has a mass of 2 kg. The surface areas of the pistons are equal and 100 square centimeters each. The density of water is 1 g per cubic centimeter. Assuming that the frictions and masses of the pistons are negligible, what is the mass of G? ( g = 10N/kg )

2027

What is the difference between emf.&pot. Diff.?

3 6244

Is the electric field constant or does it vary with time in dielectric materials?

1714

if 100W and 200W bulbs are connected in series to a supply which bulb will glow brighter and why

DELL, Eskom,

5 26940

The element required for solar energy conservation___?

1 4005

The gas that used in bulb is............? a) Oxygen b)nitrogen c)hydrogen d)co2

3 5465

what is ngative current

1 3565

what is a transducer?? and how it is used in Naval Ships??

CBI, L&T, SSB,

5 16138

A 100W bulb and 60 bulb both rated at 220V are connected in series across 220V supply. If 60W bulb is removed and only 100W bulb remains in the circuit, will illumination increase or decrease?

3 5633

Two bulbs, one of 600W and the other of 100W having same voltage rating are connected in series across the supply in a room.Which bulb will glow brighter? If one of the bulb is switched off, what will be effect on illumination?

2 3761

what is difference b/w scr &rectifier&mechanism of triac experiment

IIT,

2160

is photocell can be used as photodiode

1 3772

Why, when you release an inflated, untied balloon, does it fly across the room?

1 7804

explain principle of potentiometer

3050

cyclotron

1 3567

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Un-Answered Questions { General Physics }

What do you mean by newton meter?

847

Explain what is meant by 4th dimension?

895

What are the branches of physics?

1150

Name the element which has the simplest absorption spectrum?

895

What are the 4 results of the photoelectric effect experiments? : quantum physics

839

Order the following from the worst electrical conductor to the best electrical conductor? Glass, rubber, iron, dry wood

854

Does sunlight reflected off a mirror increase the temperature of the sun-rays?

979

Considering the specific heat of aluminum is 0.21, iron is 0.10, and lead is 0.03, which metal will show the largest increase in temperature per calorie added to onegram of that metal?

916

Is their any rule in significant figures that maximum number of significant figures in a number are 5

1961

Explain real and virtual image?

934

1.when a diode has its maximum resistance? 2.is ohm's applicable for an ac circuit?

1782

Consider earth's equator is covered with a measuring tape touching the ground such both the ends touch each other. if the tape is lifted 1 meter from the ground, what would be the distance between two ends of tape?

1947

Explain radio telescopes?

993

How do you calculate shaft power?

966

What is astrophysics?

919

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