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The SI unit of time is-

  1. minute
  2. hour
  3. second
  4. millisecond

Answer (Detailed Solution Below)

Option 3 : second
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Detailed Solution

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CONCEPT:

  • The SI system: The international systems of units or the SI system is the form of metric system used in the modern era.
    • It is based on 7 base units: meter, kilogram, second, ampere, mole, kelvin, and candela

EXPLANATION:

 SI unit of time is second.

1 hour = 60 minutes = 60 × 60 second

Hence option 3) is correct.

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