Which of the following element is used as a moderator in a nuclear reactor?
A. Light water
B. Dense water
C. Fresh water
D. Heavy water
Correct Answer: Heavy water
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If the linear momentum measures 50 %then K. E will increase?
A. 50%
B. 125%
C. 100%
D. 25%
Submitted by: Ali
Show Answer…Correct Answer: 125%
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Till now, how many Pakistanis won the Nobel Prize for Physics?
A. 1
B. 2
C. 3
D. 4
Correct Answer: 1 (Dr Abdus Salam in 1979)
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Sound cannot pass through which of the following?
A. Water
B. Iron
C. Glass
D. Vacuum
Correct Answer: D. Vacuum
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Light cannot pass through which of the following?
A. Dull
B. Dark
C. Obscure
D. Opaque
Correct Answer: D. Opaque
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_________ refers to all these factors that disrupt the communication.
A. nonsense
B. noise
C. nowhere
D. nobody
The density of a gas increases, when ________?
A. Temperature is increased
B. Pressure is increased
C. Volume is kept constant
D. None of these
The crystal of ice is an example of
A. Metallic solid
B. Molecular solid
C. Covalent solid
D. Ionic solid
“Entropy” is a law of nature in which all forms of organizations move towards?
A. Growth and Continuity
B. Continuous Improvement
C. Rebirth and Emergency
D. Disorganization and Death (more…)
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