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NAT I Medical Physics MCQs With Answers
Question # 1
Mechanical waves on the surface of a liquid are
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Transverse
Longitudinal
Torsional
Both transverse and longitudinal
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Question # 2
A particle moving in a magnetic field has increase in its velocity then its radius of the circle
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Decreases
Increases
Remains the same
Becomes half
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Question # 3
In which of the following states does the incandescent substance give continuous spectrum?
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Vapours in atomic state
Vapours in molecular state
Solid or fluid in bulk state
Solid or fluid in plasma state
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Question # 4
If the dot product of two non-zero vectors vanishes the vectors will be
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In the same direction
Opposite to each other
Perpendicular to each other
Zero
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Question # 5
What is the ratio of r.m.s velocity for O
2
to H
2
?
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1/4
4
√4 : 1
1 : √4
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Question # 6
Two sources of sound are said to be coherent if
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They produce sounds of equal intensity
They produce sounds of equal frequency
They produce sound waves vibrating with the same phase
They produce sound waves with zero or constant phase difference all instant of time
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Question # 7
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 # 8
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 # 9
How much water a pump of 2kW can raise in one minute to a height of 10 m. take g = 10 m/s
2
?
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1000 liters
1200 liters
100 liters
2000 liters
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