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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A star acting is a black body has radius 'R'. What would be the temperature of star if the rate of production of energy is 'Q'? ( = Stefan's constant) [MHT-CET 2021]

Answer: (B)

Solution

gives ; (a) and (d)

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Question ID VK-063823