Question

Find the time taken by light to travel 300 metres in diamond

Answer 1

The most accurate method for measurement of

speed of light had been devised by Michaelson.

In that experiment error cropping up due to air

was taken care by performing the experiment

in near vacuum (artificial).

It is welkown that refractive index is ratio of

sine of incidence angle/sine of refraction angle.

It also the ratio of ¢/speed of light in that

particular medium.

V= c+refractive index