Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?

Options

A. Dispersion of light
B. Scattering of light
C. Total internal reflection of light
D. Reflection of light from the earth

Answer

B

Explanation

Red colour scatters the least so that it travels the farthest. During sunset or sunrise, light has to travel a longer distance to reach us. Hence, only red light reaches to us and the sky appears reddish