Question

what are the fundamental units

Answer 1

Fundamental units are the units which do not depend upon any other quantities and they are independent. For example : Length.

Answer 2

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Those physical quantities whose measurement is independent of any other Physical Quantity.

Mass - kg

Length - m

Time - sec

Thermodynamics temperature - Kelvin

Electric current - Ampere

Quantity of matter - mole

Luminous Intensity - candella