Tardigrade
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Tardigrade
Question
Physics
Universal time is based on
Q. Universal time is based on
2589
238
Physical World, Units and Measurements
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A
rotation of earth on its axis
B
oscillations of quartz crystal
C
vibrations of cesium atom
D
earth's orbital motion around the sun
Solution:
It is a fact
$\Rightarrow$ Universal Time is a time standared based an Earth's rotation