A spherical black body with a radius of 12 cm radiates 450 W 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) 900 (d) 1800
A spherical black body with a radius of 12 cm radiates 450 W 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) 900 (d) 1800
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Transcribed Image Text:A spherical black body with a radius of 12 cm radiates 450 W
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) 900
(d) 1800
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