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When the white light is passed through a...

When the white light is passed through an equilateral prism it splits into seven colours. The phenomenon of splitting of white light is called :

A

refraction

B

spectrum

C

dispersion

D

none of these

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Knowledge Check

  • The wavelength range of white light is :

    A
    4000 nm to 8000 nm
    B
    40 nm to 80 nm
    C
    400 nm to 800 nm
    D
    4 nm to 8 nm

  • When a white light ray falls on a prism, the ray at its first surface suffers:

    A
    A) no refraction
    B
    B) only dispersion
    C
    C) only deviation
    D
    D) both deviation and dispersion.

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