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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A block having some emissivity is maintained at 500 K temperature in a surrounding of 300K temperature. It is observed that, to maintain the temperature of the block, 210 W

A block having some emissivity is maintained at 500 K temperature in a surrounding of 300K temperature. It is observed that, to maintain the temperature of the block, 210 W

210 W A block having some emissivity is maintained at 500 K temperature in a surrounding of 300K temperature. It is observed that to maintain the temperature of the block