Question

write si unit of time​

Answer 1

Answer:

The second, symbol s, is the SI unit of time. It is defined by taking the fixed numerical value of the caesium frequency Cs. , the unperturbed ground-state hyperfine transition frequency of the caesium-133 atom, to be 9 192 631 770 when expressed in the unit Hz, which is equal to s–1.

Explanation:

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Answer 2

Answer:

The SI unit of time is second .

Explanation:

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