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 )

2081

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

3 6400

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

1767

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

DELL, Eskom,

5 27195

The element required for solar energy conservation___?

1 4078

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

3 5616

what is ngative current

1 3639

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

CBI, L&T, SSB,

5 16407

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 5779

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 3879

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

IIT,

2199

is photocell can be used as photodiode

1 3858

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

1 7905

explain principle of potentiometer

3111

cyclotron

1 3660

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Un-Answered Questions { General Physics }

What large machine, which came on line in the summer of 2000 at the department of energys brookhaven national lab, is the world's highest energy ion collider:

941

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

910

Giraffe in Arabic means "the highest of all." The height of a giraffe is an average of 5 m, its mass is about 800 kg and hooves is an area of approximately 625 cm2. Using a straw from a material nedeformabil a giraffe trying to drink water from a lake, not to condescend. What is the ratio of the minimum pressure to be applied giraffe, mouth, at the end paiului to drink water and pressure of giraffe on the ground. The density of water. g = 10 m/s2

2121

What is sonar ( sound navigation and ranging )?

1073

What is meant by energy spectrum of a black body? : quantum physics

872

In radio transmission, what does the acronym am stand for?

1127

Explain the law of machines?

995

What is neutral buoyancy?

981

What is the proper formula used to calculate acceleration?

1064

Why ”quantum physics” is named as it is? : quantum physics

919

Laser is an acronym for what?

990

How echo is produced?

991

State the laws of thermodynamics.

1111

What is geocentric?

1062

What is the shadows?

978

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