At the bottom of a lake where temperature is `7^(0)C` the pressure is `2.8` atmosphere. An air bubble of radius `1 cm` at the bottom rises to the surface. Where the temperature is `27^(0)C`. Radius of air bubble at the surface is

Options

A. `3^(1//3)`
B. `4^(1//3)`
C. `5^(1//3)`
D. `6^(1//3)`

Answer

A

Explanation

`(P_(1)V_(1))/(T_(1)) = (P_(2)V_(2))/(T_(2))`