The standard unit of measuring length is

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Centimeters

Millimeters

Meter

None of these

answer is C.

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Detailed Solution

The standard unit of measuring length is a meter.
The accurate length of a meter rod is exactly equal to the metering rod that is being kept at the national physical laboratory. The word metric comes from the Greek word ‘

meter

’. The notation of the meter is ‘

m

’. And its values are defined by taking the reference of the fixed numerical value of that is the speed of light in vacuum c and that is

299, 792, 458

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