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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 frequency of fundamental tone in an open organ pipe of length
- A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
- A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum
- With the decrease of current in the primary coil from 2 amperes to zero value
- If the dipole moment of a short bar magnet is 1.25 A-m², the magnetic field on its
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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