Question

A ray of light is incident at on a prism of refracting angle . The emerging ray is at an angle with the incident ray. The value of refractive index of the prism is?

A

B

C

D

Hard
Solution
verified
Verified by Toppr
Correct option is C)

angle of prism A is 30 
angle of incidence is 60 degree
angle of deviation is 30 degree

the angle of emegrance 

'the emergent ray 



using snells law 

since emergent ray is normal 

Was this answer helpful?
upvote 0
downvote0
Similar questionsstar-struck