Question

Swarali found that the light ray travelling from the denser medium to a rarer medium goes away from the normal. If the angleof incidence(i)is raised by Swarali,the angle of refraction(r) went on increasing. However after certain value of the angle of incidence the light ray is seen to return back into the denser medium . c)Draw the diagrams of three observations made by Swarali.

Answer 1

Answer:

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