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NIKHIL GARG Grade:
        


Can you ever have a situation in which a light ray goes undeviated through a prism ?

6 years ago

Answers : (2)

vikas askiitian expert
510 Points
										

in case of right angled isoceles prism if  a light is incident at the face AB ( prism is right angled at c) then it comes out parallel to the incident ray.....

6 years ago
AKASH GOYAL AskiitiansExpert-IITD
419 Points
										

Dear Nikhil


there are two cases



  1. refractive index for the prism and external medium is same

  2. deviation= 2 x incidence angle - prism angle,  for deviation to be zero incidence angle = prism angle/2


All the best

AKASH GOYAL
AskiitiansExpert-IITD

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6 years ago
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