Math, asked by millionairemoirangth, 17 days ago

Defined the metre ?

Answers

Answered by deepikajlmhjkknacin

3

Answer:

Since 1983, the metre has been internationally defined as the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second. ... By using a light source of known and stable wavelength, lengths up to 100 metres can be directly measured, with accuracies up to 1 part in a few million.

Answered by cutiestgirl61

0

Answer:

A measure of length ; 100 centi- metres.

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