Question

What is Incident ray, normal and reflective ray ???… …

Answer 1

Incident ray :- The ray of light which strikes the mirror.

Normal :- Imaginary line which is perpendicular to the point at which the incident ray strikes.

Reflective ray :- The ray of light which reflects back after the incident ray strikes the mirror.

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Point of incidence :- The point at which the incident ray strikes the mirror is known as the point of incidence.

Angle of incidence :- The angle which the incident ray makes with the normal is known as the angle of incidence. It is generally denoted by i.

Angle of reflection :- The angle which the reflected ray makes with the normal is known as the angle of reflection. It is generally denoted by r.

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⛳ The incident ray, the normal at the point of incidence and the reflected ray – all lie in the same plane.

⛳ The angle of incidence is always equal to the angle of reflection i.e, <i = <r.

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Answer 2

• The ray of light which strikes the mirror.
• Imaginary line which is perpendicular to the point at which the incident ray strikes.
• The ray of light which reflects back after the incident ray strikes the mirror.

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