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NAT I Medical Physics MCQs With Answers
Question # 1
In which of the following states does the incandescent substance give continuous spectrum?
Choose an answer
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 # 2
Two point charge +3μC and +8μC repel each other with a force of 40 N. if a charge of -5μC is added to each of them then the force between will become
Choose an answer
-10N
+10N
+20N
-20N
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Question # 3
A capacitor acts as an infinite resistance for
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AC
DC
Both AC and DC
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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
In a common base transistor circuit the current gain is 0.98.On changing the emitter current by 5.00 mA, the change in collector current is:
Choose an answer
0.196 mA
2.45 mA
4.9 mA
5.1 mA
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Question # 6
A 220 V, 50 Hz, AC source is connected to an inductance of 0.2.H and a resistance of 20 ohm in series What is the current in the circuit?
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10 A
5 A
33.3 A
3.33 A
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Question # 7
A cable breaks if stretched by more than 2 mm it is cut into two equal parts how much either part can be stretched without breaking?
Choose an answer
0.25 m
0.5 m
1 mm
2 mm
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Question # 8
Bernoulli's equation is based upon law of conservation
Choose an answer
Mass
Momentum
Energy
None of these
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Question # 9
A body of mass 2 kg is thrown up vertically with K.E of 490 joules If the acceleration due to gravity is 9.8 m/s
2
the height at which the K.E of the body becomes half its original value is give by:
Choose an answer
50 m
12.5 m
25 m
10 m
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