PRINCIPLE-1
Colloquial Statement: if we are in unaccelerated vehicle, its motion has no effect on the way things happen inside it.
Formal Statement: The laws of physics are same in all unaccelerated reference frames.
PRINCIPLE-2
The motion of light is not affected by motion of source of light.
Colloquial Statement: if we are in unaccelerated vehicle, its motion has no effect on the way things happen inside it.
Formal Statement: The laws of physics are same in all unaccelerated reference frames.
PRINCIPLE-2
The motion of light is not affected by motion of source of light.