If the speed of light in vacuum is $C m / s e c$ , then the velocity of light in a medium of refractive index $1.5$ is

1.5 \times C

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C

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\frac{C}{1.5}

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Can have any velocity

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Solution

The correct option is D $\frac{C}{1.5}$
Spped of light in vacuum $= C$ m/s
Refrective index of medium $μ = 1.5$
Velocity of light in any medium having refrective index $μ$ , $v = \frac{C}{μ}$
On putting the value of $μ$ , $v = \frac{C}{1.5}$

Option D.

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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

The correct option is D C1.5Spped of light in vacuum =C m/sRefrective index of medium μ=1.5Velocity of light in any medium having refrective index μ, v=CμOn putting the value of μ, v=C1.5Option D.

If the speed of light in vacuum is $C m / s e c$ , then the velocity of light in a medium of refractive index $1.5$ is

The correct option is D $\frac{C}{1.5}$
Spped of light in vacuum $= C$ m/s
Refrective index of medium $μ = 1.5$
Velocity of light in any medium having refrective index $μ$ , $v = \frac{C}{μ}$
On putting the value of $μ$ , $v = \frac{C}{1.5}$

Option D.