Question

Rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this? 

1. Dispersion 

2. Refraction 

3. Internal reflection 

Select the correct answer using the codes below. 

(a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

Answer 1

(d) Formation of rainbow involves all dispersian, refraction and internal reflection.