What is SI system of units?...

What is SI system of units?

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**Step-by-Step Solution:** 1. **Definition of SI System**: The SI system, or the International System of Units, is a standardized system of measurement used globally. It provides a consistent framework for measuring various physical quantities. 2. **Base Units**: The SI system is based on seven fundamental units, each representing a different physical quantity. These are: - **Length**: The SI unit for length is the meter (m). - **Mass**: The SI unit for mass is the kilogram (kg). - **Time**: The SI unit for time is the second (s). ...

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Assertion : S.I. units are logical and coherent . Reason : S.I. system of units is a rationalised system.

If both the assertion and reason are true and reason is correct explanation of the assertion .

If both the assertion and reason are true but reason is not a correct explanation of the assertion .

If the assertion is true but the reason is false.

If both assertion and reason are false.

The amount of substance in the SI system of units is represented by

candela

mole

weight

kilogram

The amount of substance in the SI system of units s represented by