Math, asked by ykrishnapz6382, 1 year ago

Definition of 1 second in terms of length according to einstein

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Answered by susanjoyabraham

The second (abbreviation, s or sec) is the Standard International ( SI ) unit of time. One second is the time that elapses during 9,192,631,770 (9.192631770 x 10 9 ) cycles of the radiation produced by the transition between two levels of the cesium 133 atom.

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