1.

What are periodic changes?

Answer»
S.No.Name of the Change
1.Change of day and night
2.Withering of leaves
3.Rising of the pole star
4.Change of Seasons
5.Change of Greenery in the fields of cultivation
6.Changes in lengths of shadows
7.Appearance of Full Moon

1. If we observe that every change mentioned is the table repeats after some period of time. 

2. Such changes are known as periodic changes.

3. The events which repeat at regular intervals of time are called periodic events.



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