Question

si units of time
एसआई यूनिट ऑफ टाइम ​

Answer 1

Answer:

second is the S.I. unit of time

Answer 2

Answer:

second

EXPLANATION

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