Q. At sun rise or sunset, the sun looks more red than at mid-day because
A) The sun is hottest at these times
B) Of the scattering of light
C) Of the effect of refraction
D) Of the effect of diffraction
Explanation
(b) According to Rayleigh’s law of scattering, intensity scattered is inversely proportional to the forth power of wavelength. So red is least scattered and sun appears Red
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.