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Light is incident from glass(n=3/2) to water (n=3/4). For which of the following angle of deviation, there will be a unique angle of incidence? sin -1 (2/3) sin - 1 (1/3) sin - 1 (4/9) sin - 1 (5/9)

Light is incident from glass(n=3/2) to water (n=3/4). For which of the following angle of deviation, there will be a unique angle of incidence? 
 
  1. sin-1 (2/3)  
  2. sin-(1/3)
  3. sin-(4/9)
  4. sin-(5/9)

Grade:12th pass

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

There is an error in writing values of ri kindly check the question

Regards
Vikas TU
14149 Points
one year ago
Dear student 
Question is not clear 
Please attach an image, 
We will happy to  help you 
Good Luck
Cheers

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