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Mechanical Engineering · Q6

Heat And Mass Transfer

Engineering and GATE · Mechanical Engineering · question 6

Q6

The emissive power of a body depends upon its

A.
Temperature
B.
Wave length
C.
Physical nature
D.
All of the above
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
According to wein's displacement law, Emissive power from black body is a function of temperature. So, we can say that emissive power depends on temperature and wavelength.
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