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  4. If pressure at half the depth of a lake is equal to 2/3 pressure at the bottom of the lake then what is the depth of the lake?

Q. If pressure at half the depth of a lake is equal to 2/3 pressure at the bottom of the lake then what is the depth of the lake?

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Solution:

Pressure at bottom of the lake
and pressure at half the depth of a lake

According to given condition

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