if refractive index of glass is 3\2 then what is the speed of light in glass
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Answered by
45
refractive index of a medium = speed of light in vacuum / speed of light in a given medium
let the speed of light in glass = v
thus 3/2 = 3×10^8 / v
⇒v = 3×10^8 ×2/3
⇒ v = 2×10^8 m/s
let the speed of light in glass = v
thus 3/2 = 3×10^8 / v
⇒v = 3×10^8 ×2/3
⇒ v = 2×10^8 m/s
Answered by
10
we know that
refractive index of de medium=speed of light in vaccuum/speed of light in given meium.
let speed of light in glass=x
then
3/2=(3*10^8)/x
x=2*10^8
refractive index of de medium=speed of light in vaccuum/speed of light in given meium.
let speed of light in glass=x
then
3/2=(3*10^8)/x
x=2*10^8
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