A) \[2\sin A\]
B) \[2\cos A\]
C) \[\frac{1}{2}\cos A\]
D) \[\tan A\]
Correct Answer: B
Solution :
![]() |
For the given condition above ray diagram will sift. |
![]() |
So ![]() |
![]() ![]() |
By Snell's law ![]() |
![]() |
![]() |
Þ ![]() |
You need to login to perform this action.
You will be redirected in
3 sec