Question

For a ray of light undergoing refraction through
a prism, the angle of incidence and the angle
of emergence are equal. If the angle of the
prism is 60° and the angle of deviation is 20°,
then find the angle of incidence. ​

Answer 1

Answer:

Angle of incidence= angle of prism-angle of deviation.

=60°-20°

= 40°

Explanation:

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