Question

Examples of periodic and non periodic changes

Answer 1

Changes which take place in a definite interval of time are called periodic changes whereas changes which are irregular and not determined with definite time are called non periodic changes.

Day and night, changing phases of the moon, beating of heart, clock striking an hour are all examples of periodic motion whereas water becoming ice, burning of matchstick etc are non periodic changes.

Answer 2

Defination.

Changes which are repeated after regular intervals are called periodic changes.

Eg

.An example for periodic change is occurrence of day and night.

An example for non periodic change is freezing of water

Non periodic change.

Changes which do not take place periodically, such as freezing of water to form ice, are non-periodic changes

Eg of non perodic change .

cooking of food