Modern Physics

Question 1

Einstein Postulate #1

Answer 1

All Laws of Physics hold true in any inertial frame of reference (not moving or constant velocity)

Question 2

Einstein Postulate #2

Answer 2

The speed of light in empty space is constant in any inertial reference frame.

Question 3

T

Answer 3

Time interval for events happening moving at a speed as measured by an outside observer

Question 4

To

Answer 4

Time interval for events happening on a frame moving at a speed in the same reference frame. Always the shortest.