A spherical body of emissitivity $e = 0.6$ placed inside a perfect black body is maintained at temperature $T$, then the energy radiated per second will be
A spherical body of emissitivity $e = 0.6$ placed inside a perfect black body is maintained at temperature $T$, then the energy radiated per second will be
- A
$E = 0.6\,\sigma \,A\,{T^4}$
- B
$E = 0.4\,\sigma \,A\,{T^4}$
- C
$E = 0.8\,\sigma \,A\,{T^4}$
- D
$E = 1.0\,\sigma \,A\,{T^4}$
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