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A metal ball of surface area 200cm^(2), ...

A metal ball of surface area `200cm^(2)`, temperature `527^(@)C` is surrounded by a vessel at `27^(@)C`. If the emissivity of metal is 0.4, then the rate of loss of heat is nearly
`(sigma=5.67xx10^(-8)Wm^(-3)K^(-4))`

A

`108 W`

B

`168 W`

C

`182 W`

D

`192W`

Text Solution

Verified by Experts

The correct Answer is:
C
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