Question

If the speed of light in air is 3 x 108 m/s and the speed of light in diamond is

1.24 x 10 8 m/s. What is the refractive index of diamond ?​

Answer 1

Answer:

According to Snell's Law:

n

1

n

2

=

v

2

v

1

and R.I for air is 1

Substituting,

1

n

2

=

1.25×10

8

3×10

8

Therefore, n

2

=2.4