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NAT I Medical Physics MCQs With Answers

Question # 1

The henry is the unit for

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Resistance

Magnetic flux

Magnetic field

Inductance

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Question # 2

Which of the following is a scalar quantity

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Density

Displacement

Torque

Weight

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Question # 3

What remains constant when the earth revolves around the sun?

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Angular momentum

Linear momentum

Angular kinetic energy

Linear kinetic energy

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Question # 4

What remains constant in the field of central force?

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Potential energy

Kinetic energy

Angular momentum

Linear momentum

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Question # 5

A voltmeter has resistance of 2000 ohms and it can measure up to 2V. If we want to increase its range to 10V then required resistance in series will be

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2000 Ω

4000 Ω

6000 Ω

8000 Ω

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Question # 6

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 # 7

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in he form of heat will be

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0.1 watt

1 watt

10 watt

100 watt

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Question # 8

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

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Parallel

Antiparallel

At angle 60°

Perpendicular to each other

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Question # 9

The terminal velocity of a small size spherical body of radius R moving in a fluid varies as

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R²

1/R

(1/R)²

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