Light propagates 2 cm distance in glass of refractive index 1.5 in time `t_(0)`. In the same time `t_(0)`, light propagates a distance of 2.25 cm in medium. The refractive index of the medium is

Light propagates 4 cm distance in glass of refractive index 1.5 in time t_(0) . In the same time t_(0) light propagates a distance of 4.8 cm in a medium. The refractive index of the medium is

Light propagates 4 cm distance in glass of refractive index 1.5 in time t_(0) . In the same time t_(0) light propagates a distance of 4.8 cm in a medium. The refractive index of the medium is

Light propagates 4 cm distance in glass of refractive index 1.5 in time to. In the same time to, light propagates a distance of 4.8 cm in a medium. The refractive index of the medium is

Light propogates x cm distance in a medium of refractive index mu in time t_(0) . In the same time t_(0) , light propogates a distance of x/6 cm in a medium of refractive index mu . If mu'=kmu find the value of k.

The speed of light in a medium is high if the refractive index of the medium is ……. .

The velocity of light in a medium is 2 xx 10^8 ms^-1 . The refractive index of the medium is