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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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- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
- A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y = 5t
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The angle of incidence at which reflected light is totally polarised for refraction
- A concave lens of focal length f forms an image which is 1/3 times the size
- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
- A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y = 5t
- A block of mass m is moving on a wedge with the acceleration aᵒ
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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