Question

State fermats principle

Answer 1

the path taken between two points by a ray of light and that is the path that can be traversed in the least time

Answer 2

${\large{\boxed{\underline{\mathbf{\red{♡Fermat's Principle♡}}}}}}$.

• Fermat's principle states that the light selects the path which takes the least time to travel.
• It is also applicable to reflection of light.