Question

Define one metere , the S.I unit of length ,state it one multiple and one sub multiple​

Answer 1

"One metre is defined as the distance travelled by light in air in 1 /299,792,458 of a second

multiple of metre = Kilometre

Submultiple of metre = Centimetre"

Answer 2

Solution :

One metre is defined as the distance travelled by light in air in {1/299792458} of a second.

Multiple of metre = kilometre

Submultiple of metre = centimetre.

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