A Spherical Black Body With A Radius Of 12cm, If the radius were halved and the temperature doubled, the power radiated in watt would be 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) 900 (d)1800 A spherical black body with a radius of 12cm radiates 450W power at 500K. We know that the power radiated by the black body is given by P = A σ T 4 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 A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. 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 spherical black body with a radius of 12cm 12 c m radiates 450W 450 W power at 500K 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be [NEET-2017] (1) 225 (2) 450 (3) , , 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 : see full answer A spherical black body with radius 12 cm radiates 640 w power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be The correct answer is Power radiated by black body is P=σe4πr2T4⇒P∝r2T4⇒P1P2=r12T14r22T24 As T2=2T1 and r2=r12⇒P2=P1×4=450×4=1800W A spherical black body with a radius of `12cm` radiates `450W `power at `500K`. If the radius were halved and the A spherical black body with radius 12 cm radiates 640 W power at 500 K.

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