A ray of light is incident on a plane mirror making an angle of 90° with the mirror surface. The angle of reflection for this ray of light will be:

(a) 45°
(b) 90°
(c) 0°
(d) 60°

Open in App

Solution

(c) 0^o
since angle of incidence = 0^o .
According to the first law of reflection, the angle of incidence is equal to the angle of reflection.

Suggest Corrections

Similar questions

A ray of light is incident on a plane mirror making an angle of $30^{\circ}$ with the normal. The angle between reflected ray and the normal for this ray of light will be : (a) $30^{\circ}$ (b) $60^{\circ}$ (c) $0^{\circ}$ (d) $60^{\circ}$

An incident ray makes an angle of $65^{\circ}$ with the surface of a plane mirror. The angle of reflection in this case will be:

(a) $65^{\circ}$

(b) $45^{\circ}$

(d) $35^{\circ}$

Q. An incident ray makes an angle of

90^{\circ}

with the mirror surface. The angle of reflection for this ray is:

A ray of light strikes a plane mirror PQ at an angle of incidence of $30^{\circ}$ , is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is :

(a) $30^{\circ}$ (b) $45^{\circ}$ (c) $60^{\circ}$ (d) $90^{\circ}$ Draw a ray-diagram to illustrate your answer.

Q. The angle between an incident ray and the plane mirror is 30°. The total angle between the incident ray and reflected ray will be:

(a) 30°
(b) 60°
(c) 90°
(d) 120°

Join BYJU'S Learning Program

A ray of light is incident on a plane mirror making an angle of 90° with the mirror surface. The angle of reflection for this ray of light will be: (a) 45° (b) 90° (c) 0° (d) 60°

(c) 0o since angle of incidence = 0o . According to the first law of reflection, the angle of incidence is equal to the angle of reflection.

A ray of light is incident on a plane mirror making an angle of 90° with the mirror surface. The angle of reflection for this ray of light will be:

(a) 45°
(b) 90°
(c) 0°
(d) 60°

(c) 0^o
since angle of incidence = 0^o .
According to the first law of reflection, the angle of incidence is equal to the angle of reflection.