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NAT I Medical Physics MCQs With Answers

Question # 1

What remains constant in the field of central force?

Choose an answer

Potential energy

Kinetic energy

Angular momentum

Linear momentum

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Question # 2

If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will

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Increase

Decreases

Remain the same

First 'A' then 'B'

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Question # 3

Relation between pressure (P) and energy (E) of a gas is

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P = 2/3 E

P = 1/3 E

P = 3/2 E

P = 3 E

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Question # 4

A person standing near the track of a fast moving train has tendency to fall towards it because of

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Vibration due to motion of train

Gravitation force of attraction between person and trains

The high speed of train

Some other effect

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Question # 5

The direction of induced current is such that it opposes the very cause that has produced it This is the law of

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Lenz

Faraday

Kirchoff

Fleming

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Question # 6

The henry is the unit for

Choose an answer

Resistance

Magnetic flux

Magnetic field

Inductance

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Question # 7

For obtaining appreciable extension the wire should be

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Short and thin

Long and thin

Short and tick

Long and thick

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Question # 8

Angular momentum is

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Vector (axial)

Vector (polar)

Scalar

None of these

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Question # 9

Copper and germanium are cooled to 70 K from room temperature then

Choose an answer

Resistance of copper increases while that of germanium decreases

Resistance of copper decreases while that of germanium increases

Resistance of both decreases

Resistance of both increases

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