Question

What is an atomic clock ?...​

Answer 1

Answer:

Atomic clock, type of clock that uses certain resonance frequencies of atoms (usually cesium or rubidium) to keep time with extreme accuracy. The electronic components of atomic clocks are regulated by the frequency of the microwave electromagnetic radiation.

Explanation:

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Answer 2

Atomic Clock

Measuring instrument

Explanation:

Atomic clock, type of clock that uses certain resonance frequencies of atoms (usually cesium or rubidium) to keep time with extreme accuracy. ... The electronic components of atomic clocks are regulated by the frequency of the microwave radiation.