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 :

Evaporation
Sublimation
Diffusion
Vaporisation

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Physics
A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?

None
The liquid surface falls down on the direction of motion and rises up on the back side of the tank
The liquid surface falls down only at the center of the tank
The surface of the liquid remains horizontal

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