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Two spheres of same material have radius...

Two spheres of same material have radius 1 m and 4 m and temperature 4000 K and 2000 K respectively. The energy radiated per second by the first sphere is

A

Greater than that by the second

B

Less than that by the second

C

Equal in both cases

D

The information is incomplete

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The correct Answer is:
C
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ERRORLESS -TRANSMISSION OF HEAT-Radiation (Stefan s law)
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