Consider a tub with a smooth reflecting bottom filled with water. An incident laser ray is reflected as shown. 'i' and 'r' are the angles of incidence and reflection respectively. Choose the correct statement.

∠ i > ∠ r

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

∠ i < ∠ r

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

∠ i \neq ∠ r

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

∠ i = ∠ r

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

Open in App

Solution

The correct option is D $∠ i = ∠ r$
From the laws of reflection, the angle of incidence is equal to the angle of reflection .
Hence, $∠ i$ = $∠ r$
These laws are valid for all mediums.

Suggest Corrections

Similar questions

Q. A ray of light from a denser medium strikes a rarer medium at an angle of incidence

(i)

as shown in the figure. The reflected and refracted rays make an angle of

90^{\circ}

with each other. The angle of reflection and refraction are

(r)

and

(r^{^{'}})

respectively. The critical angle is-

A ray of light from a denser medium strikes a rarer medium at angle of incidence $i$ as shown in the figure. The reflected and refracted rays make an angle of $90^{\circ}$ with each other. The angles of reflection and refraction are $r$ and $r^{'}$ respectively. The critical angle is