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NAT I Medical Physics MCQs With Answers

Question # 1

Blood has a density

Choose an answer

Equal to water

Greater then water

Lesser then water

None of these

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Question # 2

A particle moving in a magnetic field has increase in its velocity then its radius of the circle

Choose an answer

Decreases

Increases

Remains the same

Becomes half

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Question # 3

The velocity v of a particle at time t is given by:

v = at + b / t + c

The dimensional formula of a,b and c care respectively:

Choose an answer

L² ; T and LT²

LT² ; LT and L

LT^-2; L and T

L;LT and T^-2

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Question # 4

Which of the following is not thermo dynamical function?

Choose an answer

Enthalpy

Work done

Gibb's energy

Internal energy

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Question # 5

Which of the following four statements is false?

Choose an answer

A body can have zero velocity and still be accelerated

A body can have a constant velocity and still have a varying speed

A body can have a constant speed and still have a varying velocity

The direction of the velocity of a acceleration is constant

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Question # 6

Choose the correct statement

Choose an answer

Both an ammeter and voltmeter should have small resistance

Both an ammeter and a voltmeter should have large resistance

An ammeter should have large resistance and a voltmeter should have small resistance

An ammeter should have small resistance and a voltmeter should have large resistance

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Question # 7

Radio waves of constant amplitude can be generated with

Choose an answer

Rectifier

Filter

FET

Oscillator

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Question # 8

As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1 the kinetic energy K and potential energy U change as

Choose an answer

K two-fold,U also two-fold

K four-fold,U also four-fold

K four-fold,U two-fold

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Question # 9

What remains constant when the earth revolves around the sun?

Choose an answer

Angular momentum

Linear momentum

Angular kinetic energy

Linear kinetic energy

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