Question

What is the basic requirement for the measurement of time? pls don't give an inappropriate answer FOR CORRECT ANSWER BRAINLIEST/FOLLOW

Answer 1

Explanation:

Time is measured using a mechanical, electric or atomic clock. The cesium atomic clocks are the most accurate. Atomic clocks use the frequency of electronic transitions in certain atoms to measure the second. The unit of time is second in SI units. It is defined as 9,192,631,770 cycles of the radiation that corresponds to the transition between two electron spin energy levels of the ground state of the

133

Cs atom.

The S.I. unit of time is second (s).

A second is defined as 1/86400 th part of a mean solar day. i.e.,

1 s = 1/86400 × one mean solar day.

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Answer 2

Answer:

Time is measured using a mechanical, electric or atomic clock. The cesium atomic clocks are the most accurate. Atomic clocks use the frequency of electronic transitions in certain atoms to measure the second. The unit of time is second in SI units.

Explanation:

The S.I. unit of time is second (s).

A second is defined as 1/86400 th part of a mean solar day. i.e.,

1 s = 1/86400 × one mean solar day

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