Question

Atomic clocks.What ate they?

Answer 1

Since 1967, the official definition of a second is 9,192,631,770 cycles of the radiation that gets an atom of the element called cesium to vibrate between two energy states. Inside a cesium atomic clock, cesium atoms are funneled down a tube where they pass through radio waves .

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Answer 2

it is a very sensitive clock that measures time very accurately.It calculates time on the basis of vibrations made by the atoms or molecules of caesium and ammonia.

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