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What is the refractive index of a medium...

What is the refractive index of a medium in which light travels with a speed of `2 xx 10^8 m//s` ?

A

`3//2`

B

`2//3`

C

1

D

none of these

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • What is the refractive index of a medium , if a light wave of frequency 5 xx 10^(14) Hz has a wavelength of 4 xx 10^(-7) m in the medium ?

    A
    `1.1 `
    B
    `1.33`
    C
    `1.5`
    D
    `0.67`

  • Light travels through water with a speed of 2.25 xx 10^(8)m//s . What is the refractive index of water ? Given speed of light in vacuum = 3xx10^(8)m//s .

    A
    1.41
    B
    1.47
    C
    1.33
    D
    1.5

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