Physics, asked by sumukhasreenidh6314, 1 year ago

Universal time is based on A. rotation of the earth on its axis. B. Earth’s orbital motion around the Sun. C. vibrations of cesium atom. D. oscillations of quartz crystal.

Answers

Answered by moazzamfirdous33
3
B is the answer.
may it help you....
Answered by Nyaberiduke
2

Answer:

A. rotation of the earth on its axis.

Explanation:

Universal time , i.e UTC is based on the earth rotation on its axis .

This is the standard measure of time and is the improvement of the Greenwich mean time .

N/B This are the standards to which the world regulates its time .

UTC  is regulated by the international telecommunication union , whereby they control Standard-frequency and time-signal emissions Standard-frequency and time-signal emissions.

With this time around the world is represented using positive and negative offsets e.g +12 UTC OR - 12 UTC.

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