In a rectangular glass slab, a light ray is incident obliquely on the interface. i, r, and e are the angles of incidence, refraction, and emergence, respectively. Select the correct statement.

∠i is more than ∠r but nearly equal to ∠e.

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∠i is less than ∠r but nearly equal to ∠e.

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∠i is more than ∠e but nearly equal to ∠r.

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∠i is less than ∠e but nearly equal to ∠r.

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Solution

The correct option is A ∠i is more than ∠r but nearly equal to ∠e.

From rarer to denser medium, light bends towards the normal i.e.∠i > ∠r

Light incidents obliquely on a glass slab ⇒ Incident and Emergent rays are parallel i.e., ∠i = ∠e

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Similar questions

Q. When light rays are incident on a rectangular glass slab obliquely, the angle of incidence is the angle of emergence.

Q. A light ray entered a rectangular glass slab. if

i

be the angle of incidence and

e

be the angle of emergence, then:

In the adjacent diagram, AO is a ray of light incident on a rectangular glass slab.

(a) Complete the path of the ray till it emerges out of the slab.

(b) In the diagram, mark the angle of incidence (i) and the angle of refraction (r) at the first interface. How is the refractive index of glass related to the angles i and r ?

(d) Which two rays are parallel to each other ?

(e) Indicate in the diagram the lateral displacement between the emergent ray and the incident ray. State one factor that affects the lateral displacement.

Q. In the adjacent diagram, AO is a ray of light incident on a rectangular glass slab.

(a) Complete the path of the ray till it emerges out of the slab.
(b) In the diagram, mark the angle of incidence (i) and the angle of refraction (r) at the first interface. How is the refractive index of glass related to the angles i and r ?
(c) Mark angle of emergence by the letter e. How are the angles i and e related ?
(d) Which two rays are parallel to each other ?
(e) Indicate in the diagram the lateral displacement between the emergent ray and the incident ray. State one factor that affects the lateral displacement.

Q. If the angle of incidence and angle of emergence of a light ray falling on a glass slab are i and e respectively then i=e

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In a rectangular glass slab, a light ray is incident obliquely on the interface. i, r, and e are the angles of incidence, refraction, and emergence, respectively. Select the correct statement.

The correct option is A ∠i is more than ∠r but nearly equal to ∠e. From rarer to denser medium, light bends towards the normal i.e.∠i > ∠r Light incidents obliquely on a glass slab ⇒ Incident and Emergent rays are parallel i.e., ∠i = ∠e

The correct option is A ∠i is more than ∠r but nearly equal to ∠e.

From rarer to denser medium, light bends towards the normal i.e.∠i > ∠r

Light incidents obliquely on a glass slab ⇒ Incident and Emergent rays are parallel i.e., ∠i = ∠e