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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

If the radius of the star is 'r' and it acts as a black body, the temperature of the star having rate of radiation 'R' is ( = Stefan's constant) [MHT-CET 2022]

Answer: (D)

Solution

gives ; (a) is the

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Question ID VK-063802