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The speed of light in a transparent medi...

The speed of light in a transparent medium having absolute refraction index 1.25 is`"…....................."` [Speed of light in vacuum `~~3 xx10^(8) m//s `]

A

`24xx10^(8)`

B

`2.4 xx 10^(8)`

C

`1.75 xx 10^(8)`

D

`1.5 xx 10^(8)`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The speed of light in a medium of refractive index n is ".........................." where c is the speedof light in vacuum.

    A
    `(c )/(n)`
    B
    nc
    C
    `(n )/( c )`
    D
    `sqrt( (c )/(n))`

  • The speed of light in turpentine oil is 2 xx 10^(8) m//s . The absolute refractive index of turpentine oil is about "…................" . [Speed of light in vacuum ~~ 3 xx 10^(8) m//s ]

    A
    1.5
    B
    2
    C
    1.3
    D
    `0.67`

  • The speed of light in a medium of refractive index 1.5 is ________.

    A
    `1.5 xx 10^(8) m//s`
    B
    `3.0 xx 10^(8) m//s`
    C
    `2.0 xx 10^(8) m//s`
    D
    `1.2 xx 10^(8) m//s`

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