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The speed of light in vacuum is 3.0 × 108 m/s. If the refractive index of a transparent liquid is 4/3, then the speed of light in the liquid is
  • a)
    2.25 × 108 m/s
  • b)
    3 x 108 m/s
  • c)
    4 × 108 m/s
  • d)
    4.33 × 108 m/s
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The speed of light in vacuum is 3.0 × 108 m/s. If the refractive...
Given : Speed of light in vacuum = 3x 10^8 m/s Refractive index of transparent medium = 4/3 n =c/v n = 4/3 (given) c = 3x 10^8 m/s (given)
4/3 = 3x 10^8 ms^-1 / v v = 9x 100x 10^6 ms^-1 / 4 v = 9x 25x 10^6 ms^-1 v = 225x 10^6 ms^-1 v = 2.25x 10^8 ms^-1
v = 2.25 x 10^8 m/s : Answer
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The speed of light in vacuum is 3.0 × 108 m/s. If the refractive...
× 10^8 meters per second.
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The speed of light in vacuum is 3.0 × 108 m/s. If the refractive index of a transparent liquid is 4/3, then the speed of light in the liquid isa)2.25 × 108 m/sb)3 x 108 m/sc)4 × 108 m/sd)4.33 × 108 m/sCorrect answer is option 'A'. Can you explain this answer?
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