Question

What is a meter based on the use of?

Answer 1

meter is use for length of any thing.

Answer 2

ans:

it comes from the value for speed of light.

explanation:

the speed of light in vacuum is defined to be 299,792,448 m\s

this means that light , in a vacuum , will travel a distance of 299, 792, 458 meter in one second .

the defination of the lenght of the neter is defined from this value:

ONE METEE IS THE DISTANCE LIGHT TRAVELS IN A VACUUM IN EXACTLY

1/ 299,792,458 second.