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Home » The speed of light in vacuum and in two different glasses is given in the table below:a) Calculate the absolute refractive indexes of flint glass and crown glass.b) Calculate the relative refractive index for light going from crown glass to flint glass.
The speed of light in vacuum and in two different glasses is given in the table below:
a) Calculate the absolute refractive indexes of flint glass and crown glass.
b) Calculate the relative refractive index for light going from crown glass to flint glass.
CBSE | Class 10 | Lakhmir Singh | Physics | Refraction of Light
The speed of light in vacuum and in two different glasses is given in the table below:
a) Calculate the absolute refractive indexes of flint glass and crown glass.
b) Calculate the relative refractive index for light going from crown glass to flint glass.

a) The refractive index of flint glass is 1.61 when the speed of light in vacuum is divided by the speed of light in flint glass.

Crown glass refractive index = (speed of light in vacuum)/(speed of crown glass) = 1.52.

b) Crown glass to flint glass refractive index = (speed of light in crown glass)/(speed of light in flint glass) = 1.059

i

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