WAEC - Physics (2018 - No. 21)
Rainbow formation is a natural phenomenon illustrating that white light
splits into three components after rainfall
is dispersed by glass prisms
splits into its constituent colours before rainfall
is dispersed into its constituent colours after rainfall
คำอธิบาย
A rainbow is caused by the dispersion of sunlight by tiny water droplets present in the atmosphere, which can be seen after the rain.