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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
- The potential difference applied to an X-ray tube is 5 kV and the current through it
- If a steel wire of length l and magnetic moment M is bent into a semicircular arc,
- If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius
- The number of possible natural oscilations of air column in a pipe closed
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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