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The phenomenon due to which a ray of lig...

The phenomenon due to which a ray of light _____ from its path while travelling from one optical medium to another optical medium is called refraction.

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Knowledge Check

  • When a ray of light from air enters a denser medium, it :

    A
    bends away from the normal
    B
    bends towards the normal
    C
    goes undeviated
    D
    is reflected back

  • When a light ray enters from a denser medium to a rarer medium.

    A
    The light ray bends towards the normal.
    B
    Angle of incidence is less than angle of refraction.
    C
    Speed of light decreases.
    D
    Speed of light remains unchanged.

  • A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incidence is :

    A
    `0^(@)`
    B
    `45^(@)`
    C
    `60^(@)`
    D
    `90^(@)`

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