1.

A lightyear is a unit of distance. It is the distance travelled by light in one year. If the speed of light is equal to 3 x 108m/s, how many kilometres will make up 1 light year?

Answer»

A lightyear is a unit of distance. It is the distance travelled by light in one year. If the speed of light is equal to 3 x 108m/s, how many kilometres will make up 1 light year?




Discussion

No Comment Found