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NAT I Computer Science Physics MCQs With Answers
Question # 1
Surface tension of water is due to
Choose an answer
Inter molecular attraction
Intermolecular spaces
Inter molecular repulsion
None of above
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Question # 2
The number of translation degrees of freedom for a diatomic gas is
Choose an answer
2
3
5
6
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Question # 3
The contrast in the fringes in any interference pattern depends on
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Fringe width
Intensity ratio of the sources
Distance between the slits
Wavelength
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Question # 4
The half life of a radio-isotope is 5 years The fraction of atoms decayed in this substance after 15 years will be
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1
3/4
7/8
5/8
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Question # 5
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 # 6
At 0° K which of the following properties of a gas will be zero?
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Kinetic energy
Potential energy
Vibrational enegy
Density
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Question # 7
The henry is the unit for
Choose an answer
Resistance
Magnetic flux
Magnetic field
Inductance
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Question # 8
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 # 9
How does the Young's modulus vary with the increase of temperature?
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Decrease
Increase
Remains constant
First increases and then decreases
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Question # 10
The smooth or steady stream-line flow is know as
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Laminar flow
Turbulent flow
Both a and b
None of the above
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Question # 11
Bernoulli's equation is based upon law of conservation
Choose an answer
Mass
Momentum
Energy
None of these
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