Physics
When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of :

Sublimation
Evaporation
Vaporisation
Diffusion

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Physics
Indicate the false statement about the resistance of a wire

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

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