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In a 10 m deep lake, the bottom is at a ...

In a 10 m deep lake, the bottom is at a constant temperature of `4^(@)C`. The air temperature is constant at `- 4^(@)C. K_(ice) = 3 K_(omega)`. Neglecting the expansion of water on freezing, the maximum thickness of ice will be

A

7.5 m

B

6 m

C

6 m

D

2.5 m

Text Solution

Verified by Experts

a) KA`(4-0)/(10-x) = 3KA(0-(-4))/x`

`rArr x=7.5m`
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