Question

What is speed of light.

Answer 1

Physicists often use the letter c to denote the speed of light in empty space (vacuum). It has the value 299,792,458 meters per second (or about 186,282.397 miles per second).

Answer 2

Hello Friend

Ans

What's is the speed of light?

299729458 m/s

☺️299729458 m/s is the speed of light.

☺️And the speed of light is commonly denoted by C.

☺️It is an universal physical contact.

Thank you..☺️☺️