Number of base si units is

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Transcript

00:00Question says number of base SI units is a4 b7 c3 d5 is there are seven fundamental physical

00:20quantities which are length the SI unit of length is meter the second one is mass having

00:28unit kilogram third one is time having unit second fourth one is electric current having

00:36unit ampere fifth one is temperature having unit Kelvin sixth one is amount of substance

00:45having unit mole and seventh one is luminous intensity or intensity of light having unit

00:53candela so there are also seven base or fundamental units so the correct option will be b7