Q19
The temperature of a cavity of fixed volume is doubled. Which of the following is true for the black-body radiation inside the cavity?
A.
Its energy and the number of photons both increase 8 times
B.
Its energy increases 8 times and the number of photons increase 16 times
C.
Its energy increases 16 times and the number of photons increase 8 times
AnswerD.
Its energy and the number of photons both increase 16 times
Answer: Option C
Solution
Answer: Option C
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