23. A red laser beam of 620nm travels from a material of n 1.52 to air....

Question

Question

23. A red laser beam of 620nm travels from a material of n 1.52 to air. Find the incident angle at which total internal reflection occurs.

science physics

Answer 1

Answer #1

The inadent angl is measurel as, sin-y-1- i5a に

Answer 2

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