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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
- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
- A wire of length L metre carrying a current I ampere is bent in the form
- If two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
- A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity
- When you make ice cubes, the entropy of water
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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