Question

1. SI unit of time is a solar day. Second
2. A pendulum swinging freely (length 100 cm)
completes one oscillation in one second.
3. In international market the food grains are
sold in kilogram.
4. One milligram is 1/100 part of one gram.
5. Twenty four hour clock is used in Government
offices.
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Answer 1

Answer:

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