A) \[\frac{\pi }{4}\]radian
B) \[\frac{\pi }{2}\] radian
C) \[\pi \] radian
D) \[\frac{\pi }{8}\] radian
Correct Answer: C
Solution :
For first minima at \[P,a\sin \theta =n\lambda \]You need to login to perform this action.
You will be redirected in
3 sec