how to measure speed of light in glass
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n = c/v
where n = index of refraction
c = speed of light in vacuum
v = speed of light in medium
speed of light in vacuum = 3 x 10^8 m/s
n = i / sin(c)
c = critical angle
sub. with the values of glass .... ( refractive index)
where n = index of refraction
c = speed of light in vacuum
v = speed of light in medium
speed of light in vacuum = 3 x 10^8 m/s
n = i / sin(c)
c = critical angle
sub. with the values of glass .... ( refractive index)
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