Questions
Universal time is based on
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
detailed solution
Correct option is A
Time defined in terms of rotation of the earth is called Universal Time (UT).Talk to our academic expert!
Similar Questions
A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the sun and the earth in terms of the new unit, if light takes to cover this distance?
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