| A ray of light of intensity I is incident on a parallel glass slab at point A as shown India gram. It undergoes partial reflection and refraction. At each reflection, 25% of incident energy is reflected. The rays AB and A B undergo interference. The ratio of \[{{\operatorname{I}}_{\max }}\] and\[{{\operatorname{I}}_{\min }}\] is: [JEE ONLINE 09-04-2013] |
 |
A) 49 : 1
B) 7 : 1
C) 4 : 1
D) 8 : 1
Correct Answer: A
Solution :
[a]  |
 |
 |
  |
 |
 |
 |
You need to login to perform this action.
You will be redirected in
3 sec
