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A piece of ice falls from a height h so ...

A piece of ice falls from a height `h` so that it melts completely. Only one-quarter of the heat produced is absobed by the ice and all energy of ice gets converted into heat during its fall. The value of `h` is
[Latent heat of ice is `3.4 xx 10^(5) J//kg` and `g = 10 N//kg`]

A

`34 km`

B

`544 km`

C

`136 km`

D

`68 km`

Text Solution

Verified by Experts

`(mgh)/(4) = mL_(ice)`
`h = (4 L_(ice))/(g) = (4 xx 3.4 xx 10^(5))/(10) = 136 km`
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