Q. Pick the wrong answer in the context with rainbow.
A) When the light rays undergo two internal reflections in a water drop, a secondary rainbow is formed.
B) The order of colours is reversed in the secondary rainbow.
C) An observer can see a rainbow when his front is towards the sun.
D) Rainbow is a combined effect of dispersion refraction and reflection sunlight.
Explanation
[Solution] A rainbow is seen only when the sun is behind the observer. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.