Physics · Relativity
Select the INCORRECT statement regarding the Special Theory of Relativity:
- 1If a cube moves at relativistic speed in a direction normal to one of its faces, all 12 of its edges undergo length contraction.✓
- 2In different inertial frames, neither time intervals nor space intervals remain the same, but the spacetime interval remains invariant.
- 3Neither mass nor energy is independently conserved, but mass-energy is conserved.
- 4The speed of light in a vacuum has the same value in all inertial frames of reference.
Correct answer
If a cube moves at relativistic speed in a direction normal to one of its faces, all 12 of its edges undergo length contraction.
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