Question

What is defination of 1meter

Answer 1

1 meter is defined as the distance of 100 cm between initial point and final point.

Answer 2

1 metre

I metre is defined as the distance travelled by light in vacuum $\bold{\frac{1}{3 \times 10^{8} } }$ seconds. Interestingly, the British spelling of metre and the American spelling of the same differs from each other. The British spelling is metre whereas the American spelling is meter . However, the British spelling is adopted as the standard spelling by the International Bureau of Weight and Measures( Bureau international des poids et mesures (BIPM)). The metre was first measured by Albert Abraham Michelson using an interferometer in the year 1893. Various prefixes are used with metre, such as giga-, nano-, etc. , to make its multiple or smaller quantities.