Question

Fermat’s Theorem states that:

• A. Light takes the shortest path
• B. Light takes the quickest path
• C. Light takes a random path
• D. Light maintains its speed in all medium

Answer 1

The correct option is B

Light takes the quickest path

Fermat’s Theorem states that the path taken between two points by a ray of light is the path that can be traversed in the least time. Hence light always takes the quickest path. It is said that “Light is in a hurry”.