Rainbows

Author:Kumar Mittal
12th ICSE
IMPORTANT

Important Questions on Rainbows

MEDIUM
IMPORTANT
ISC Physics Class 12, Part-2>Optics>Refraction and Dispersion of Light through a Prism>Rainbows> Q 1

Draw ray diagram to illustrate formation of primary rainbow (using single water drop only and a single incident-ray, to show clearly refraction and total internal reflection, use at least four arrows).

EASY
IMPORTANT
ISC Physics Class 12, Part-2>Optics>Refraction and Dispersion of Light through a Prism>Rainbows> Q 2

Give reasons for the following observations on the surface of moon: 

A rainbow is never observed.

EASY
IMPORTANT
ISC Physics Class 12, Part-2>Optics>Refraction and Dispersion of Light through a Prism>Rainbows> Q 3

State two basic differences between primary and secondary rainbows.