Question

If the ray of light falls normally on the surface
separating two medium, state the measure of the
corresponding angle of incidence and refraction.

Answer 1

Both the angle of incidence and angle of refraction will be 0°

Answer 2

If the ray of light falls normally on the surface separating two medium, state the measure of the corresponding angle of incidence and refraction.

• The angle of refraction and angle of incidence are both equal to zero when a light ray impacts normally, meaning there is no deviation.
• A typical incident light beam is reflected back along the same path when it strikes the surface of a plane mirror. The angle of reflection will also be zero because the angle of incidence is zero.
• If the refractive indices of the two media match and the light beam passes through one medium and into the other, the angle of refraction is zero. Your hypothesis states that the light ray will descend naturally, in which case the angle of refraction will be zero. The light will travel straight and not stray from its course.
• The angle between the incident ray and the normal ray is zero when a light ray strikes a glass slab normally.
• Light enters the space between two surfaces at right and flows through it without varying. This is due to the zero angle of incidence present at the two mediums' boundaries.

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