Question

A ray of light makes an angle of 50 degrees with the surface s1 of the glass slab.Its angle of incidence will be

Answer 1

The angle is incidence is that angle that the ray of light makes with the normal to the surface at the point on the glass slab where the ray of light is incident.

If the angle is measured with respect to the normal then the measured angle is the angle of incidence.

If the angle is measured with respect to the surface of the of the glass slab then the angle of incidence is the complement of the measured angle.

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Answer 2

Answer:

Ans is A 50 degree

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