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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 series R-C circuit is connected to an alternating voltage source. Consider two
- When current I is flowing through a conductor, the drift velocity is v.
- The electric and magnetic field assiciated with an E.M. wave
- The ratio of specific heats Cp/Cv=γ in terms of degrees of freedom (n) is given by
- A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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