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NAT I Engineering Physics MCQs With Answers
Question # 1
Two electric bulbs of 200 W and 100 W have same voltage.If R1 and R2 be their resistance respectively then
Choose an answer
R
1
= 2R
2
R
2
= 2R
1
R
2
= 4R
1
R
1
= 4R
2
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Question # 2
The distance between node and anti-node is
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λ
λ/2
λ/4
2λ
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Question # 3
Choose the correct statement
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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 # 4
The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s
2
. The distance covered by the body in the 5th second of its motion is
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25 m
35 m
50 m
85 m
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Question # 5
The nuclear model of atom was proposed by
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J.J Thomson
E.Rutherford
Neil Bohr
Summerfield
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Question # 6
Velocity of sound in a diatomic as is 300 m/sec what is its rms velocity
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400 m/sec
40 m/sec
430 m/sec
300 m/sec
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Question # 7
The velocity of falling raindrops attains limited value because of
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Up thrust of air
VIscous force exerted by air
Surface tension effect
Air currents atmosphere
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Question # 8
The motion without consideration of its cause is studied in:
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Kinematics
Mechanics
Statics
Modern Physics
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Question # 9
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 # 10
A prism splits a beam of white light into its seven constituent colors this is so because
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Phase of different colors is different
Amplitude of different colors is different
Energy of different colors is different
Velocity of different colors is different
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Question # 11
The structure of solids is investigated by using
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Cosmic Rays
X-rays
Intra red Radiation
y-rays
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