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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
Related Questions: - A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- If alpha, beta and gamma rays carry same momentum, which has the longest
- A block slides from an inclination of 45°.If it takes time twice
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- If alpha, beta and gamma rays carry same momentum, which has the longest
- A block slides from an inclination of 45°.If it takes time twice
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
- An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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