If the critical angle for total internal reflection from a medium to vacuum is `30^(@)`, the velocity of light in the medium is

If the critical angle for total internal reflection, from a medium to vacuum is 30^(@) , then velocity of light in the medium is

If the critical angle for total internal reflection from a medium to vacuum is 30^(@) , then velocity of light in the medium is

If the critical angle for total internal reflection, from a medium to vacuum is 30^(@) , then velocity of light in the medium is

If the critical angle for total internal reflection from a medium to vacuum is 30^@ , then velocity of light in the medium is .......... ms^(-1) . (c = 3.8 xx 10^8 m s^(-1) )

If the critical angle for total internl reflection from a medium to vacuum is 30^@ then velocity of light in the medium is:

If the critical angle for total internal reflection from a medium to vacuum is 45^@ , then velocity of light int he medium is,

If the critical angle for total internal reflection from medium to vacuum is 30^@ , then what is the velocity of light in the medium ?