The angle of incidence of a light ray is $i$ with respect to normal. The angle of deviation after reflection from the normal is _________.

2 i

No worries! We‘ve got your back. Try BYJU‘S free classes today!

i

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

180 - 2 i

No worries! We‘ve got your back. Try BYJU‘S free classes today!

180 - i

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $i$
From laws of reflection $i = r$
And angle of deviation after reflection from the normal is r which is equal to i.

Suggest Corrections

Similar questions

Find out the angle of deviation after reflection, if the incident ray makes 30⁰ with the normal?

Q. A ray of light travelling in the direction

\frac{1}{2} (i + \sqrt{3 j})

is incident on a plane mirror. After reflection, it travels along the direction

\frac{1}{2} (i - \sqrt{3 j})

. The angle of incidence is

A ray of light is incident normally on a plane glass slab. What will be (i) the angle of refraction, and (ii) the angle of deviation for the ray?

A ray of light travelling in the direction $\frac{1}{2} (i + \sqrt{3} j)$ is incident on a plane mirror in the x-z plane. After reflection, it travels along the direction $\frac{1}{2} (i - \sqrt{3} j)$ . The angle of incidence is:

Q. Choose the correct option for the given assertion and reason.
Assertion: Two plane mirrors kept at right angle deviate any ray of light by

180^{\circ}

after two successive reflections.
Reason: The above condition is satisfied only for angle of incidence,

i = 45^{\circ}

Join BYJU'S Learning Program

The angle of incidence of a light ray is i with respect to normal. The angle of deviation after reflection from the normal is _________.

The correct option is C iFrom laws of reflection i=rAnd angle of deviation after reflection from the normal is r which is equal to i.

The angle of incidence of a light ray is $i$ with respect to normal. The angle of deviation after reflection from the normal is _________.

The correct option is C $i$
From laws of reflection $i = r$
And angle of deviation after reflection from the normal is r which is equal to i.