Transmission Of Heat Question 207
Question: In MKS system, Stefan’s constant is denoted by $ \sigma $ . In CGS system multiplying factor of $ \sigma $ will be
Options:
A) 1
B) $ 10^{3} $
C) $ 10^{5} $
D) $ 10^{2} $
Show Answer
Answer:
Correct Answer: B
Solution:
In M.K.S. system unit of s is $ \frac{J}{m^{2}\times sec\times K^{4}} $
Therefore $ 1\frac{J}{m^{2}\times sec\times K^{4}}=\frac{10^{7}erg}{10^{4}cm^{2}\times sec\times K^{4}} $
$ =10^{3}\frac{erg}{cm^{2}\times sec\times K^{4}} $
BETA
