Q. In relativity which is constant between two frames of reference
A) Acceleration
B) Conservation of mass
C) Space interval
D) Velocity
Explanation
(d) Special theory of relativity is based on two postulates
(i) All laws of physics are the same in all inertial reference frames
(ii) The speed of light in vacuum has the same value in all inertial frames, regardless of the velocity of the observer or the velocity of source emitting the light
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.