Fermat's Principle of Least Time Could Also Be the Principle

question 25

Multiple Choice

Fermat's principle of least time could also be the principle of least distance for the case of

• A)reflection.
• B)refraction.
• C)both of these
• D)neither of these

---

Definitions:

Arnold Gesell

An American psychologist and pediatrician known for his work in child development and for establishing developmental milestones.

Jean Piaget

A Swiss psychologist known for his pioneering work in child development, especially his theory of cognitive development.

Built-In Reactions

Inherent responses present from birth that are physiologically based and do not need to be learned, such as reflexes or instinctive behaviors.

Reflexes

Automatic, involuntary responses or movements produced by the nervous system in reaction to external stimuli.