Question

state fermats principle

Answer 1

Fermat's principle of least time states that between two points the light ray will always take the quickest path(the quickest path mayor may not be the shortest one.)

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.