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 given below.
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 given below.
Answer:
(d)
Core Books/NCERT
Option:-1 Each individual droplet of water acts as a tiny prism that both disperses the light and reflects it back to our eye. Option:-2 Since water is more dense than air, light is refracted as it enters the drop. Option:-3 Some of the light will reflect off the back of the drop if the angle is larger than the critical angle (48° for water).