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1 September, 03:00

What colour is best for radiative heat transfer? a. Black b. Brown c. Blue d. White

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  1. 1 September, 03:03
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    The correct answer is option 'a': Black

    Explanation:

    As we know that for an object which is black in color it absorbs all the electromagnetic radiation's that are incident on it. Thus if we need to transfer energy to an object by radiation the most suitable color for the process is black.

    In contrast to black color white color is an excellent reflector, reflecting all the incident radiation that may be incident on it hence is the least suitable material for radiative heat transfer.
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