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If V(c) is the speed of light in vacuum ...

If `V_(c)` is the speed of light in vacuum and `V_(m)` is the speed of light in given medium then the refractive index of medium is

A

`V_(m)// V_(e)`

B

`V_(c) // V_(m)`

C

` V_(m) xx V_(c)`

D

none of these

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If the speed of light in vacuum is C m/ sec then the velocity of light in a medium of refractive index 1.5

    A
    Is `1.5 xxC`
    B
    Is C
    C
    Is `C/1.5`
    D
    Can have any velocity

  • The speed of light in a homogeneous medium of refractive index (5)/(4) is

    A
    `2.4 xx 10^(5) km//sec`
    B
    `2.4 xx 10^(5) m//s`
    C
    `2.4 xx 10^(8) cm//s`
    D
    All the above

  • If the speed of light in vacuum is C m//sec, then the velocity of light in a medium of refractive index 1.5 is.

    A
    `1.5xxC`
    B
    `C`
    C
    `(C )/(15)`
    D
    Can have any velocity

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    If c is velocity of light in vacuum and v is the velocity of light in a medium of refractive index mu , then

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