Question

The absolute refractive index of glass and water are 4/3 and 3/2 respectively the speed of light in glass is 2 into 10 to the power 8 metre per second calculate the speed of light in water air and vacuum

Answer 1

Explanation:

The answer of question is given in figure.

Thank you

Answer 2

Explanation:

2.25 x 10^8m/s the speed of light in glass.

2x10^8 m/s the speed of light in water