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The absolute refractive index of water i...

The absolute refractive index of water is 1.5. What is the velocity of light in water? (Velocity of light in vacuum`= 3 xx 10^(8) m//s`)

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The correct Answer is:
`2xx10^(8) m//s`
`2xx10^(8) m//s`
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Knowledge Check

  • Refractive index of glass w.r.t water is 9//8 . What is the speed of light in water ? Given speed pf light in glass is 2 xx 10^(8) m//s .

    A
    `2 xx 10^(8)m//s`
    B
    `3 xx 10^(8)m//s`
    C
    `2.25 xx 10^(8)m//s`
    D
    none of these

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    Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass ? The speed of light in vacuum is 3 xx 10^(8) m s^(-1) .

    (a) Define absolute refractive index of a medium. (b) Light enters from air into water which has a refractive index of 1.33 (or (4)/(3)) . Calculate the speed of light in water. The speed of light in air is 3.0 xx 10^(8) m//s .

    Find the velocity of light in a given medium. The absolute refractive index of the medium is 1.5 (given velocity of light in vacuum or air = 3xx10^8 " m s"^(-1) ) .

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