Question

is speed of light constant? ​

Answer 1

Answer:

Yeah!

Speed of light is constant

i.e 3× 10^8

The speed of light is not an ordinary speed, however: it's a universal constant that emerges from the laws of physics.

Answer 2

Answer:

No

Explanation:

It is a basic postulate of the theory of relativity that the speed of light is constant. This can be broken down into two parts: The speed of light is independent of the motion of the observer. The speed of light does not vary with time or place.