Respuesta :
Explanation :
A.A Michelson was the American scientist who proved the speed of light as a fundamental constant. According to him, the value of speed of light is [tex]3\times 10^8\ m/s[/tex]
He received a noble price for this achievement. He constructed an interferometer. It is a device which is designed to split the beam of light in two parts.
The speed of light is denoted by c.
