Question

1. The metre is defined as the distance travelled by light
1
in
second. Why didn't people choose some
299,792,458
easier number such as
second? Why not 1
300,000,000
second ?
1​

Answer 1

Explanation:

the metre is defined as the distance travelled by light in 1/299,792,458 second . Why didn't people choose some easier number such as 1/300,000,000 second ? ... Speed of light is in vacuum 299,792,458 m/s. Hence, metre is defined on the basis of this speed.