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The speed of light in glass is 1.5 x 108m/s. Then refractive index of glass is
  • a)
    3
  • b)
    1
  • c)
    4
  • d)
    2
Correct answer is option 'D'. Can you explain this answer?

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Official. Nik
Sep 14, 2018
Related The speed of light in glass is 1.5 x 108m/s. Then refractive index of glass isa)3b)1c)4d)2Correct answer is option 'D'. Can you explain this answer?
Refractive index =speed of light in air/speed of light in vaccum
refractive index of glass = 3 *10^8 /1.5 *10^8 = 2

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Pardeep Singh
Jun 15, 2018
Speed of light in vacuum/speed of light in medium =3*10^8/1.5*10^8 =2

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Himaja Ammu
Aug 29, 2018
Related The speed of light in glass is 1.5 x 108m/s. Then refractive index of glass isa)3b)1c)4d)2Correct answer is option 'D'. Can you explain this answer?
Yaa 3×10^8m/s/1.5×10^8m/s
=2

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Refractive index =speed of light in air/speed of light in vaccumrefractive index of glass = 3 *10^8 /1.5 *10^8 = 2