Multiple Choice
The most precise scientific standard of time is based on
A) a specified fraction of the mean solar day.
B) the time taken for a specific "seconds" pendulum kept at special conditions to complete one oscillation.
C) a property of a particular kind of atom.
D) the speed of light.
E) the travel time of light from the nearest star.
Correct Answer:
Verified
Correct Answer:
Verified
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