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NAT I Medical Physics MCQs With Answers

Question # 1

The average binding energy of a nucleon inside an atomic nucleus is about

Choose an answer

8 MeV

8 eV

8 Joules

8 ergs

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Question # 2

When a hydrogen atom is bombarded the atom is excited to the n = 4 state of hydrogen atom.The energy released when the atom falls from n = 4 state to the ground state is

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1.275 eV

12.75 eV

5 eV

8 eV

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Question # 3

A body moves a distance of 10 m along a straight line under the action of a force of 5 Newtons, if the work done is 25 joules the angle which the force takes with the direction of motion of the body is:

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0°

30°

60°

90°

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Question # 4

Surface tension of water is due to

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Inter molecular attraction

Intermolecular spaces

Inter molecular repulsion

None of above

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Question # 5

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 # 6

In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19 C. The number of excess electrons on the drop is

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3.9

4.2

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Question # 7

Shunt required in an ammeter of resistance R to decrease its deflection from 30 ampere to 10 ampere is

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R/4

R/3

R/2

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Question # 8

If two non-zero vector ̅A̅ and ̅B are parallel to each other, then ̅A̅, ̅B is equal to

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Zero

A + B

A - B

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Question # 9

The de broglie wave corresponding to a particle of mass m and velocity v has a wavelength associated with it

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h/mv

hm v

mh/v

m/hv

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