Question

When an air bubble rises from the bottom to the surface of a lake, its radius becomes double. Find the depth of the lake. Given that the atmospheric pressure is equal to the pressure due to a column of water 10m high. Assume contant temperature and disregard surface tension.

1. 30m
2. 40m
3.70m
4. 80m

Answer 1

Hey there!

Refer to the following attachment..

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Answer 2

here is your answer

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