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A metal cube of each side 0.05 m long em...

A metal cube of each side 0.05 m long emits 0.6 kcal in 80 second. The emissive power of its surface is

A

`0.5 kcal/m^2 sec`

B

`0.6 kcal/m^2 sec`

C

`0.05 kcal/m^2 sec`

D

`0.55 kcal/m^2 sec`

Text Solution

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The correct Answer is:
A
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