A ray of light continues moving along the same path while passing through air-glass interface. What is the angle of incidence ? A) 90 degree B) 30 degree C) 0 degree D) 60 degree

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  • 5
It might be 90 degree bcoz the question is saying that there is no change in the direction of light hence 90 degree should be the answer
Aqsa Kibria
  • 0
Answer must be 90 degree because when a light ray falls normally on th e boundary of medium there would be no refraction
  • -3
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