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When rays of light are incident on a gla...

When rays of light are incident on a glass slab, then the incident ray and emergent ray are ____ to each other.

A

perpendicular

B

parallel

C

opposite

D

concurrent

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Knowledge Check

  • When a ray of light is incident normally, the angle of incidence is:

    A
    `90^@`
    B
    0
    C
    `45^@`
    D
    none of these

  • In refraction of light through a glass slab , the directions of the incident ray and the refracted ray are "…..............."

    A
    perpendicular to each other
    B
    non-parallel to each other
    C
    parallel to each other
    D
    intersecting each other.

  • The angle between the incident and the emergent ray from a glass slab is

    A
    `90^(@)`
    B
    `0^(@)`
    C
    less than `90^(@)`
    D
    more than `90^(@)`

    • Similar Questions

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    Draw a neat and labelled diagram to show the path of a ray of light in air and glass when the ray is incident obliqely on a glass slab. Show the (i) incident ray (ii) refracted ray (iii) emergent ray (iv) angle of incidence (v ) angle of refraction (vi) angle of emergence in the diagram. OR Draw a neat and labelled diagram to show refraction of light through a glass slab.

    A ray of light is incident on a glass slab at grazing incidence. The refractive index of the material of the slab is given by mu=sqrt((1+y) . If the thickness of the slab is d=2m , determing the equation of the trajectory of the ray inside the slab and the coordinates of the point where the ray exits from the slab. Take the origin to be at the point of entry of the ray.

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