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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 we apply reverse bias to a junction diode it
Choose an answer
Lowers the potential barrier
Raises the potential barrier
Increase the majority carrier current
Decrease the majority carrier current
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Question # 3
When sound waves travel from air to water which of these remains constant?
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Velocity
Frequency
Wavelength
All the above
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Question # 4
In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion
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KE remains constant
PE remains constant
KE/PE is constant
KE + PE remains constant
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Question # 5
For production of beats the two sources must have
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Different frequencies and same amplitude
Different frequencies
Different frequencies same amplitude and same phase
Different frequencies and same phase.
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Question # 6
Two bodies of masses m
1
and m
2
have equal momentum their kinetic energies E
1
and E
2
are in the ratio
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√m
1
: √m
2
m
1
:
m
2
m
2
:
m
1
m
1
2
:
m
2
2
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Question # 7
At a certain instant a stationary transverse wave is found to have maximum kinetic energy the appearance of string of that instant is:
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Sinusoidal shape with amplitude A/3
Sinusoidal shape with amplitude A/2
Sinusoidal shape with amplitude A
Straight line
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Question # 8
The mass defect for the nucleus of helium is 0.0303 a.m.u What is the binding energy per nucleon for helium in MeV?
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28
7
4
1
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Question # 9
One cannot see through fog because
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Fog absorbs light
The refractive index of fog is infinity
Light suffers total reflection at the droplet in a fog
Light is scattered by the droplets in fog
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