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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: - An amplifier has a voltage gain Av=1000. The voltage gain in dB is
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An amplifier has a voltage gain Av=1000. The voltage gain in dB is
- Curie is the unit of
- Three unequal resistors in parallel are equivalent to a resistance 1 Ω.
- To demonstrate the phenomenon of interference, we require two sources which emit
- A 220 volts input is supplied to a transformer. The output circuit draws
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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