Question

31. Give two examples each of periodic change.​

Answer 1

Answer:

Periodic changes are changes which occur periodically or at regular intervals Example: Change of seasons. Day and night, changing phases of the moon, beating of heart, clock striking an hour are all examples of periodic motion whereas waterbecoming ice, burning of matchstick etc are non periodic changes.

Explanation:

Done

Answer 2

Answer:

1. Pendulum swinging

2. Changing day to night

3. Swinging of swing in playground

Explanation:

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