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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 lead bullet of 10 gm travelling at 300 m/s strikes against a block
- The charges Q, +q, and +q are placed at the vartices of an equilateral
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- What is the nature of Gaussian surface involved in Gauss’s law of electrostatics?
- Kepler’s third law states that square of period of revolution (T) of a planet
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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