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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 solid sphere of mass M, radius R and having moment of inertia about an axis passing
- A magnetic needle suspended parallel to a magnetic field requires √3J of work
- If liquid level falls in a capillary then radius of capillary will be
- If the sodium light in Young’s double slit experiment is replaced by red light
- Initial angular velocity of a circular disc of mass M is ?￢ﾂﾁ.Then, two small spheres
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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