The refractive index of glass is 1.5. What is the speed of light in glass? (Speed of light in vacuum is `3xx10^(8)ms^(-1)`)

Explanation

Here, refractive index, `mu=1.5,v=?,c=3xx10^(8)ms^(-1)`
As, `mu=c/vrArrv=c/mu=(3xx10^(8))/1.5=2xx10^(8)ms^(-1)`