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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
- How much work is required to carry a 6 μC charge from the negative terminal
- A voltmeter of range 2 V and resistance 300Ω cannot be converted into ammeter
- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
- A body undergoes no change in volume. Poisson’s ratio is
- If radius of the ₁₃Al²⁷ nucleus is taken to be Rᴀı, then the radius of ₅₃Te¹²⁵ nucleus
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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