JEE Main 15 Apr 2018 Shift 2 Solved Paper

Section: Physics

Question : 10 of 90

Marks: +1, -0

What an air bubble of radius r rises from the bottom to the surface of a lake, its radius becomes ‌

. Taking the atmospheric pressure to be equal to 10 m height of water column, the depth of the lake would approximately be (ignore the surface tension and the effect of temperature):

[15 Apr 2018 Shift 2]

11.2 m
10.5 m
9.5 m
8.7 m

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