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Q.

A red hot brick is placed on an iron tripod stand which stands on a large block of copper. The brick loses heat by:

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a

Conduction and radiation

b

Conduction

c

Conduction and convection

d

Conduction, Convection and radiation

answer is C.

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Detailed Solution

The bricks lose heat by conduction through an iron tripod stand to the copper block which is then radiated away and convection currents are set up in the surrounding air and by radiation.

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