Question

Select the correct answer.
What is the SI unit of time?
OA.
second
OB.
minute
OC. hour
OD
day
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Answer 1

Answer:

A. Second

Explanation:

The S.I unit of time is in Seconds.

The S. I unit is known as the metric system is the most commonly used system of reporting scientific measurements in the world today. Other units are the imperial units.

It is the international system of unit used in almost all countries. The seven basic SI units are:

        Quantities                                    Units

• Length                                         meters(m)    
• Time                                            seconds(s)
• Amount of substance                 moles(mol)
• Mass                                            kilograms(kg)
• Luminous intensity                     candela(cd)
• Temperature                               kelvin(K)
• Electric current                            ampere(A)

The SI unit of time which measures the duration of an activity or event is therefore given as seconds(s)