Physics
When pressure is increased the melting point of ice

Decreases
Depends on the impurities in the ice
Does not change
Increases

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Physics
Indicate the false statement about the resistance of a wire

It depends on material of wire
Resistance of metallic wire increases with increase in temperature
It is directly proportional to the area of cross-section of wire
It is directly proportional to the length of wire

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Physics
Stars twinkle because

the intensity of light emitted by them changes with time.
the distance of the stars from the earth changes with time.
the refractive index of the different layers of the earth's atmosphere ch
None of these

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