2021 · Q117
How many internal reflections of light take place in the formation of primary rainbow ?
General KnowledgePhysics
- A0
- B1
- C2
- DMore than 2
Explanation
The primary rainbow is formed by one internal reflection (with two refractions) of sunlight inside each raindrop. The secondary rainbow involves two internal reflections. The question asks about the (primary) rainbow's internal reflections, which number one.