Q292
Pick out the correct statement.
A.
Higher is the temperature of the radiating body, higher is the wavelength of radiation
B.
Logarithmic mean area is used for calculating the heat flow rate through a thick walled cylinder
AnswerC.
The wavelength corresponding to maximum mono-chromatic emissive power increases with rise in temperature
D.
Solid angle subtended by the finite surface at the radiating element is called the angle of incidence
Answer: Option B
Solution
Answer: Option B
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