Physics
Energy stored in the nucleus of an atom is called

Kinetic energy
Nuclear energy
Atomic energy
Potential energy

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Physics
The velocity of sound in air

Decreases with increase of temperature
Increases with decrease of temperature
Does not depend on temperature
Decreases with decrease of temperature

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Physics
In a conductor

There is no conduction band
The forbidden energy gap is very narrow
The valence band and the conduction band overlap each other
The forbidden energy gap is very wide

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