A) 0.24
B) 1.2
C) 30
D) 3.3
Correct Answer: B
Solution :
Observed frequency \[\nu '=\nu \left( 1-\frac{v}{c} \right)\] \[\Rightarrow \nu '=6\times {{10}^{14}}\left( 1-\frac{0.8\ c}{c} \right)=1.2\times {{10}^{14}}Hz\]
You need to login to perform this action.
You will be redirected in
3 sec
