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In case of an incense stick or an agrbat...

In case of an incense stick or an agrbati the smoke at the lighted end of stick moves in upward direction it is because

A

the cool air below the lighted end moves to take the place of hot air above the lighted end.

B

the air at the hot end is more dense.

C

it is natural for the smoke to move up.

D

the smoke is repelled by the gravity of earth.

Text Solution

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The correct Answer is:
A
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