1.

PQ (Double arrow ray) and PR (Single arrow ray) are two light rays emerging from the object P as shown in the figure below: What is the special name given to the angle of incidence (angle PQN) of ray PQ?

Answer»

PQ (Double arrow ray) and PR (Single arrow ray) are two light rays emerging from the object P as shown in the figure below:

What is the special name given to the angle of incidence (angle PQN) of ray PQ?




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