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The band of seven colours obtained on a ...

The band of seven colours obtained on a screen when white light passes through a prism is called spectrum. ____

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Knowledge Check

  • Which of the following colours of white light deviated most when passes through a prism ?

    A
    Red light
    B
    Violet light
    C
    Yellow light
    D
    Both (a) and (b)

  • In refraction of light through a prism the light ray:

    A
    suffers refraction only at one face of the prism
    B
    emergest out from the prism in a direction parallel to the incident ray
    C
    bends at both the surface of the prism towards its base
    D
    bends at both the surfaces of the prism opposite to its base.

    • Similar Questions

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    For refractin of light through a prism

    The phenomenon due to which white light splits into seven colours on passing through a prism is called spectrum.

    Explain the cause of dispersion of white light through a prism.

    The angle between the incident ray and emergent ray, when the ray is passing through an equilateral prism is called angle of _____.

    Statement-1 : When a white light passes through a prism it forms a spectrum of seven colours. Statement-2 : The refractive index for different colour of light is different for the material of prism.

    Draw a neat and labelled diagram, when a ray of white light passes through an equilateral prism.

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