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NAT I Medical Physics MCQs With Answers

Question # 1

Which one of the following is a simple harmonic motion?

Choose an answer

Wave moving through a string fixed at both ends.

Earth spinning about its own axis

Ball bouncing between two rigid vertical walls

Particle moving in a circle with uniform speed.

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Question # 2

If a diamagnetic substance is brought near north or south pole of a bar magnet it is

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Attracted by the poles

Repelled by the poles

Repelled by north pole and attracted by the south pole

Attracted by the north pole and repelled by the south pole

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Question # 3

A charge Q is divided into two parts q and Q - q and separated by a distance R. the force of repulsion between them will be maximum when:

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q = Q/4

q = Q/2

q = Q

None of these

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Question # 4

Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is

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Zero

25N

150N

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Question # 5

The distance between node and anti-node is

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λ/2

λ/4

2λ

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Question # 6

A person standing on a rotating platform has his hands lowered He suddenly outstretches his arms.The angular momentum

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Becomes zero

Increases

Decreases

Remains the same

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Question # 7

A couple produces

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Purely linear motion

Purely rotational motion

Linear and rotational motion

No motion

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Question # 8

Which of the following sources give discrete emission spectrum?

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Incandescent electric bulb

Sun

Mercury vapour lamp

Candle

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Question # 9

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

Choose an answer

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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