What is responsible for looming?
Total internal reflection of light
Dispersion of light
Coherence of light
Refraction of light.
Looming is an optical illusion, at sea-shore in winter evening, due to which an image of a ship is seen formed in air in sea-sky.
It is due to total internal reflection.
Question 6 Twinkling of stars is due to atmospheric (a) dispersion of light by water droplets (b) refraction of light by different layers of varying refractive indices (c) scattering of light by dust particles (d) internal reflection of light by clouds
Question 10 Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset? (a) Dispersion of light (b) Scattering of light (c) Total internal reflection of light (d) Reflection of light from the earth