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 )

1621

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

3 5073

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

1299

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

DELL, Eskom,

5 25053

The element required for solar energy conservation___?

1 3395

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

3 4547

what is ngative current

1 2939

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

CBI, L&T, SSB,

5 14014

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 4494

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 2976

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

IIT,

1636

is photocell can be used as photodiode

1 3023

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

1 7045

explain principle of potentiometer

2657

cyclotron

1 2852


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Un-Answered Questions { General Physics }

Explain what is the shadows?

503


What is melody?

518


What is the law of machines?

551


Why does it take longer to heat a bucket of water than a cup of water?

525


Explain what is the transparent?

479






What is the difficulty in making fusion based nuclear reactors?

468


What is sonar ( sound navigation and ranging )?

513


How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.

1642


What is the universal law of universal gravitation?

491


This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:

458


Tell me what is radium used for?

485


Explain heat treatment. Why and how is it done?

509


Why is there more friction when you push an object than when you pull it?

544


Which property of sound is affected by change in air temperature?

489


What are the essential characteristics of a wave?

488