Question

If you dive to a depth of 10m below the surface of a lake,

Part A
what is the pressure due to the water alone?
What is the absolute pressure at that depth?

Answers

the water pond to be 2.7m deep. if the refractive index of water is 4/3,find the actual depth of the pond.
I don't know the ans
Pressure alone due to water would be10^5. And total pressure would be 2×10^5.

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