Transmission Of Heat Question 255
Question: On investigation of light from three different stars A, B and C, it was found that in the spectrum of A the intensity of red colour is maximum, in B the intensity of blue colour is maximum and in C the intensity of yellow colour is maximum. From these observations it can be concluded that
[CPMT 1989]
Options:
A) The temperature of A is maximum, B is minimum and C is intermediate
B) The temperature of A is maximum, C is minimum and B is intermediate
C) The temperature of B is maximum, A is minimum and C is intermediate
D) The temperature of C is maximum, B is minimum and A is intermediate
Show Answer
Answer:
Correct Answer: C
Solution:
According to Wein’s law, $ {\lambda _{m}}T= $ constant $ {\lambda _{r}}>{\lambda _{y}}>{\lambda _{b}}\Rightarrow T _{r}<T _{y}<T _{b} $ or $ T _{A}<T _{C}<T _{B} $
BETA
