Question

what is Si unit of time​

Answer 1

Answer:

Second (S) is SI unit of time

Explanation:

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.

Answer 2

$\huge\mathcal\red{✷Answer}$

➜ SI unit of time is second...