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A 5 cm thick ice block is there on the s...

A `5 cm` thick ice block is there on the surface of water in a lake. The tmeperature of air `- 10^(@)C`, how muct time it will take to double the thickness of the block?
`(L = 80 cal//g, K_(ice) = 0.004 cal//s-K, d_(ice) = 0.92 g cm^(-3))`

A

1 hour

B

191 hours

C

19.1 hours

D

1.91 hours

Text Solution

Verified by Experts

The correct Answer is:
C
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