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Define second...

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Define second...

Posted by ... ... 5 years, 8 months ago

CBSE > Class 11 > Chemistry

3 answers

... ... 5 years, 8 months ago

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? ????? ?????? ? 5 years, 8 months ago

Wait ✋ 1 second....?

Aman Barnwal 5 years, 8 months ago

The second is the base unit of time in the International System of Units, commonly understood and historically defined as ¹⁄₈₆₄₀₀ of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.

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