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  4. An object is at temperature of 400° C. At what approximate temperature would it radiate energy twice as first ? The temperature of surroundings may be assumed to be negligible :

Q. An object is at temperature of . At what approximate temperature would it radiate energy twice as first ? The temperature of surroundings may be assumed to be negligible :

Thermal Properties of Matter Report Error

Solution:

As we radiation power


and
As



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