Calculate the power radiated if radius of sphere is doubled and temperature is halved. `900` D. 225 . If the radius is halved and the temperature is doubled, th Stefan-Boltzmann law is the law explaining the power radiated by a black body. A spherical black body with a radius of `12cm` radiates `450W `power at `500K`. If the radius were halved, and the temperature doubled, th Note: To solve such types of questions one should carefully read the statements in the given question and figure out the kind of body that is emitting radiation whether it is black body or not. NTA Abhyas 2022: A spherical black body with a radius of 12cm radiates 450W power at 500K . If the radius were halved and the temperature doubled, the power radiated in watt would be 6 mins ago Discuss this question Solution For A spherical black body with a radius of 12 cm radiates 440 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 of radius 12 cm at 500 K is radiating 450 J of energy per second. If the radius were halved and the temperature doubled, the power Hint: To find the answer for the given question, first we need to know the power formula and the body is in a spherical black body with a radius and power are given in the question. 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 1800 225 450 1000 NTA Abhyas 2020: A spherical black body with a radius of 12cm radiates 450W power at 500K . If the radius is halved and the temperature is doubled, th A spherical black body with a radius of 12cm radiates 450 watt power at 500K. We know that the power radiated by the black body is given by P = A σ T 4 where P is NTA Abhyas 2020: A spherical black body with a radius of 12cm radiates 450W power at 500K . If the radius were halved and `225` B. It says that the total power emitted or radiated from a surface is proportional to the fourth power of its absolute temperature. `1800` A sphere with radius 10 cm is radiating 500 W power at 700 K. 1800 B. If the radius were halved and the temperature doubled, the power A spherical black body with a radius of 12 c m radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be 1800 225 450 1000 A spherical black body with a radius of 12cm radiates 450W power at 50K If the radius were halved and the temperature doubled the power radiated in watts would be A 225 B 450 C 900 D 1800 A spherical black body with a radius of 12cm radiates 450 watt power at 500K. If the radius were halved, and the temperature doubled, th A spherical black body with a radius of 12cm radiates 450W power at 500K. The energy of radiation emitted by this body with wavelength between 499nm and 500nm is U1, between 999nm and 1000nm is U2 and between Step by step video & image solution for A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius is halved and the temperature is doubled, th A spherical black body with a radius of 12cm radiates 440W power at 500K. If the radius were halved and the temperature doubled, the power radiated in watt would be NTA Abhyas 2022: A spherical black body with a radius of 12cm radiates 450W power at 500K . A spherical black body with a radius of 12 cm radiates Then use the formula of power radiated for a black body (in watts) to obtain the required answer by the given data. If the radius were halved and the temperature doubled, the power radiated in watt would be Solution:Given, Radius of the black body, R1 = 12 cmPower radiated, P1 = 450 WTemperature, T1 = 500 KNew values, Radius of the black body, R2 = R1/2 = 6 cmTemperature, T2 = 2T1 = 1000 KLet P2 be A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were made half and if the temperature is doubled, the power radiated in watts would be given as, A. If radius of sphere is made half of its initial value and temperature is doubled then power radiated by the body A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. A black body is at a temperature of 2880K. `450` C.
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