A) \[2{{\cos }^{-1}}\left( \frac{\mu }{2} \right)\]
B) \[{{\sin }^{-1}}\left( \mu \right)\]
C) \[{{\sin }^{-1}}\left( \frac{\mu }{2} \right)\]
D) \[{{\cos }^{-1}}\left( \frac{\mu }{2} \right)\]
Correct Answer: A
Solution :
The refractive index\[(\mu )\]of a material is the factor by which the phase velocity of electromagnetic radiation is slowed down in that material.You need to login to perform this action.
You will be redirected in
3 sec