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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 stone falls freely under gravity.It covers distances h₁,h₂ and h₃
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A stone falls freely under gravity.It covers distances h₁,h₂ and h₃
- The Bohr model of atoms
- Photons with energy 5eV are incident on a cathode C in a photoelectric cell.
- A stone tied to the end of a string of 1 m long is whirled in a horizontal circle
- A hollow sphere of radius 0.1m has a charge of 5×10⁻⁸C. The potential
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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