What is the SI unit of time?
AThe minute
BThe hour
CThe second
DThe day
Answer & Solution
Correct answer: C. The second
1. Time is measured by comparison with an agreed standard.
2. The SI unit for time is the second, abbreviated s.
3. Minutes, hours and days are in common use but are not the SI unit.
_Source: OpenStax College Physics (CC BY 4.0), Ch 2 "Kinematics", section 2.3 Time, Velocity, and Speed_
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