Q10 of 61 Page 61

The reason for brilliance of diamonds is mainly due to total internal reflection of light.

True

Light is one of the slowest travelling energy with a speed of 3 × 10^–8 ms^-1

The angle of incidence at which the angle of refraction is 0° is called the critical angle.

In going from a rarer to denser medium, the ray of light bends _______

The ratio of sine of the angle of incidence to the sine of _______ is a constant.

Questions · 61

3. Light

1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 1 2 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 1 2 3 4 1 2 3 4 5 1 1 2 3