Physics, asked by ItzAakduBanda, 1 month ago

What is the definition of 1 second ?

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Answered by rishigupta8b

1

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. The wording of the definition was updated in 2019.

Explanation:

Answered by karanpro739

1

Answer:

1 second Is Time Expressed In the Unit Of Second It is Considered The Smallest Unit In Time Generally In Time But it's Not.

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