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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?
Verified Answer
The speed of light in vacuum is 3.0 × 108 m/s. If the refractive...
Refractive index of water :- 
Speed of light in vacuum / speed of light in water
4/3 = (3*108) /x 
x  = 2.25 * 108 m/s
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Most Upvoted Answer
The speed of light in vacuum is 3.0 × 108 m/s. If the refractive...
Refractive index of water :- 
Speed of light in vacuum / speed of light in water
4/3 = (3*108) /x 
x  = 2.25 * 108 m/s
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Community Answer
The speed of light in vacuum is 3.0 × 108 m/s. If the refractive...
Refractive index = c/v

=> 4/3 = 3 × 10^8/v

=> 3 × 3 × 10^8/4 = v

=> 9×10^8/4 = v

=> v = 2.25 × 10^8
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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 × 108m/sb)3 x 108m/sc)4 × 108m/sd)4.33 × 108m/sCorrect answer is option 'A'. Can you explain this answer?
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