SATHEE: Optics Question 732

Optics Question 732

Question: If the speed of light in vacuum is $C$ $m / \sec,$ then the velocity of light in a medium of refractive index 1.5

[NCERT 1977; MP PMT 1984; CPMT 2002]

Options:

A) Is 1.5 $\times$ C

B) Is C

C) Is $\frac{C}{1.5}$

D) Can have any velocity

Show Answer

Answer:

Correct Answer: C

Solution:

$μ = \frac{C}{C_{m}} \Rightarrow C_{m} = \frac{C}{1.5}$

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Optics Question 732

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

Options:

Answer:

Solution:

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Question: If the speed of light in vacuum is $C$ $m / \sec,$ then the velocity of light in a medium of refractive index 1.5