Question

Piya invites all her friends to her birthday party that is to begin at 6 pm. Everyone reaches on time except Vandana. She reaches at 8 pm. They could not start the function on time. (a) Which principle is used for measuring time in clocks and watches? (b) Why should we be punctual?​

Answer 1

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Clocks and watches are based on the principle of periodic motion to measure time. As Vandana reaches late due to which function is delayed it shows Vandana is not punctual and always delays her work.

Answer 2

Answer:

Piya invites all her friends to her birthday party that is to begin at 6 pm. Everyone reaches on time except Vandana. She reaches at 8 pm. They could not start the function on time. (a) Which principle is used for measuring time in clocks and watches? (b) Why should we be punctual?