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The frequency of a light wave in a mater...

The frequency of a light wave in a material is `2xx10^14` Hz and wavelength is 5000 `overset@A`.The refractive index of material will be

A

1.33

B

`1.40`

C

`1.50`

D

3

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Knowledge Check

  • If the speed of light in material A is 1.25 times its speed in material B then the ratio of he refractive indices of these materials is

    A
    a. 1.5
    B
    b. 1
    C
    c. 0.8
    D
    d. 1.25

  • When light is incident on a soap film of thickness 5 xx 10^(-5) cm, the wavelength of light reflected maximum in the visible region is 5320 overset(@)A . Refractive index of the film will be

    A
    1.22
    B
    1.33
    C
    1.51
    D
    1.83

  • If the velocity of light in a medium is 2.25 xx 10 ^(8) ms ^(-1) then the refractive index of the medium will be :

    A
    ` 1.5 `
    B
    `0.5`
    C
    `1.33`
    D
    `1.73`

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