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What is meant by refraction of light ? S...

What is meant by refraction of light ? State the laws of refraction. Show that emergent ray from a glass slab is parallel to incident ray.

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What is meant by 'refraction of light'? Draw a labelled ray diagram to show the refraction of light.

What would be the path of refracting ray and emergence ray, if two glass slabs kept attached to each other are used?

Knowledge Check

  • 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^(@)`

  • A rays of light is incident on a thick slab of glass of thickness t as shown in figure. The emergent ray is parallel to the incident ray but displaced sideways by a distance d. If the angles are small then d is

    A
    `t(1+(i)/(r))`
    B
    `rt(1-(i)/(r))`
    C
    `it(1-(r)/(i))`
    D
    `t(1+(r)/(i))`

  • A ray of light is incident on a refracting face of glass prism of refracting angle 30^@ . If the ray emerges normally from the second refracting surface, the angle of incidence is refracting surface, the angle of incidence is [""_(a)mu_(g) = 1.5]

    A
    `sin^(-1)(0.6)`
    B
    `sin^(-1) (0.7)`
    C
    `sin^(-1) (0.75)`
    D
    `sin^(-1)(0.8)`

    • Similar Questions

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    'During refraction of light through the glass slab, incident ray and emergent ray are parallel to each other.' Explain.

    When a ray of light passes through glass slab, refraction of light occurs___

    Draw a ray diagram showing refraction of a light ray from a refracting glass slab.

    What is meant by the 'angle of incidence' and the 'angle of refraction' for a ray of light? Draw a labelled ray diagram to show the angle of incidence and the angle of refraction for a refracted ray of light.

    During refraction of light through the glass slab, incident ray and emergent ray are perpendicular to each other. True/false

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