Transmission Of Heat Question 274
Question: What will be the ratio of temperatures of sun and moon if the wavelengths of their maximum emission radiations rates are 140 Å and 4200 Å respectively
[J & K CET 2004]
Options:
A) 1 : 30
B) 30 : 1
C) 42 : 14
D) 14 : 42
Show Answer
Answer:
Correct Answer: B
Solution:
$ \frac{T _{1}}{T _{2}}=\frac{{\lambda _{m _{2}}}}{{\lambda _{m _{1}}}}=\frac{4200}{140}=\frac{30}{1} $
BETA
