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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 layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m².
- A missile is fired for maximum range with an initial velocity of 20 m/s
- A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- When the speed of electron beam used in Young’s double slit experiment is increased,
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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