Ray Optics | Dispersion, Some Natural Phenomena Due To Sun Light

What are natural phenomena ?

Dispersion of light

Ray Optics Questions

Ray optics introduction

Red sea phenomena due to

Ray optics fails when

Dispersion of light is due to

Which phenomena establish the wave nature of light ?

Light rays from the sun after reflection at a plane mirror pass throgh a hole in a wall. After some time due to the shift in the position of the sun, the angle of incidence of sun light increases by 10^(@) . By what angle, should the mirror be rotated, such that the reflected rays continue to pass through the hole in the wall?