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If c is the velocity of light in free space, the time taken by light to travel a distance x in a medium refractive index μ is
Options
(a) x/c
(b) μx/c
(c) x/μc
(d) c/μx
Correct Answer:
μx/c
Explanation:
Velocity of light in a medium v = c / μ
We known time taken t = x / v
⇒ t = x / (c/μ) = μx / c
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A cricket ball of mass 250 g collides with a bat with velocity 10 m/s
- A scooter is going round a circular road of radius 100 m at a speed of 10m/s
- A juggler maintains four balls in motion,making each of them to rise
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
- The drift speed of electrons in copper wire of diameter and length l is v.
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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