Chapter - 1 Motion and Measurement of Distances

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Q
Motion and Measurement of Distances

Question:

Give two examples of periodic motion.

Answer:

Periodic Motion: The motion which repeats itself after a regular interval of time is known as periodic motion.

Examples:

(i) When we play the guitar, its strings move in a repeated to and fro motion. This motion is an example of periodic motion. 

(ii) The birds flapped their wings up and down to make a fly.


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