ABC is right-angled prisms. A ray (1) is incident on the face AB along the normal Another ray (2) is incident the face AB such that it emerges normally from the face AC. then The angle of incidence of the ray (2) on the face AB is:

0^{\circ}

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

45^{\circ}

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

30^{\circ}

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

90^{\circ}

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

Open in App

Solution

The correct option is C $30^{\circ}$
$A B C$ is right angled prism $S$
Now, we have to find out the angle of incidence of the ray $(2)$ on the face $A B = 30 °$
The light incident along $A B$

Suggest Corrections

Similar questions

Q. A ray of light is incident on the face AB of a glass prism ABC having the vertex angle A equal to

30^{\circ}

. The face AC is silvered and a ray of light incident on the face AB retraces its path. If the refractive index of the material of prism is

\sqrt{3}

, the angle of incidence on the face AB is :

In the given figure, a ray of light PQ is incident normally on one face AB of an equilateral glass prism. The angles of incidence at the faces AB and AC are:

In Fig. 4.67, a ray of light PQ is incident normally on the face AB of an equilateral glass prism. Complete the ray diagram showing its emergence into air after passing through the prism. Take critical angle for glass = $42^{\circ}$ .

(a) Write the angles of incidence at the faces AB and AC of the prism.

(b) Name the phenomenon which the ray of light suffers at the face AB, AC and BC of the prism.

An isosceles prism has one of the refracting surfaces silvered. A ray of light is incident normally on the refracting face AB. After two reflections ray emerges from base BC normally. Then angle of prism is

Q. A ray of light is incident on one face of prism with refracting angle

A (< 90^{\circ})

. The incident ray is normal to the other face of the prism. If C is the critical angle for prism air interface, then the ray will emerge from this faces only if

Join BYJU'S Learning Program

ABC is right-angled prisms. A ray (1) is incident on the face AB along the normal Another ray (2) is incident the face AB such that it emerges normally from the face AC. then The angle of incidence of the ray (2) on the face AB is:

The correct option is C 30∘ABC is right angled prism SNow, we have to find out the angle of incidence of the ray (2) on the face AB=30°The light incident along AB

The correct option is C $30^{\circ}$
$A B C$ is right angled prism $S$
Now, we have to find out the angle of incidence of the ray $(2)$ on the face $A B = 30 °$
The light incident along $A B$