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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 particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work
- In N-type semi-conductor current is due to
- A system consists of three masses m₁, m₂ and m₃ connected by a string passing
- An explosion blows a rock into three parts. Two parts go off at right angles to each other
- The net electric force on a charge of +3μC at the mid-point on the line joining two
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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