Question

Distinguish between periodic change and non periodic chande

Answer 1

Changes which are repeated after regular intervals are called periodic changes. The occurrence of day and night and even the change of periods in your school are examples of periodic changes. Changes which do not take place periodically, such as freezing of water to form ice, are non-periodic changes.

Answer 2

changes which are repeated after regular intervals of time is known as periodic change.
changes which do not occurs periodically - not repeated after regular intervals of time is known as non periodic change.

hope it helps you .