Transmission Of Heat Question 279
Question: The maximum energy in thermal radiation from a source occurs at the wavelength 4000Å. The effective temperature of the source is
[AMU (Engg.) 1999]
Options:
A) $ 7325,K $
B) $ 80000K $
C) $ 10^{4},K $
D) $ 10^{6},K $
Show Answer
Answer:
Correct Answer: A
Solution:
$ {\lambda _{m}}=\frac{b}{T}\Rightarrow T=\frac{b}{{\lambda _{m}}}=\frac{2.93\times {{10}^{-3}}}{4000\times {{10}^{-10}}}=7325\ K $
BETA
