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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A planet is at an average distance from the sun and its average surface temperature is . Assume that the planet receives energy only from the sun and loses energy only through radiation from its surface. Neglect atmospheric effects. If , the value of is

Answer: (C)

Solution

In equilibrium, power absorbed equals power radiated , so and

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Question ID VK-063677