A spherical black body with a radius of 12 cm radiates 450 watt power – McqOptions

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1.	A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be :
A.	225
B.	450
C.	1000
D.	1800
Answer» E.

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