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Eamcet Physics
1 st Year : Unit 7.10 ( Properties of Bulk Matter ) - Transfer of Heat

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The rectangular surface of area 8cm x 4cm of a black body at a temperature of 127°C emits energy at rate of E per second. If the length and breadth are reduced to half of its initial value and the temperature is raised to 327°C, the rate of emission of energy will be

A. ( 3E/8 )

B. ( 9E/16 )

C. ( 81E/16 )

D. ( 81E/64 )

E. None of the above

View Answer

Correct choice: D

Explanation:

None

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Eamcet Physics 1 st Year : Unit 7.10 ( Properties of Bulk Matter ) - Transfer of Heat

Eamcet Physics
1 st Year : Unit 7.10 ( Properties of Bulk Matter ) - Transfer of Heat