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An air bubble starts rising from the bot...

An air bubble starts rising from the bottom of a lake. Its diameter is 3.6 mm at the bottom and 4mm at the surface. The depth of the lake is 250 cm and the temperature at the surface is `40^@C`. The atmospheric pressure is 76 cm of Hg and `g=980 cm.s^-2`.
What is the temperature at the bottom of the lake?

A

`9.77^@C`

B

`10.37^@C`

C

`11.31^@C`

D

`11.67^@C`

Text Solution

Verified by Experts

The correct Answer is:
B
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