Science, asked by ishwariindalkar99, 10 days ago

why a second is a standardized measurement

Answers

Answered by RishabhKundaaa

Because it is second not first.

Answered by VeerendraViolet

Answer:

Definition. The second is defined by taking the fixed numerical value of the caesium frequency ∆ν, 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

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