Physics · Relativity
According to Einstein's Special Theory of Relativity, which of the following quantities is invariant (NOT relative)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Velocity of light in vacuum✓
- 2Length of an object
- 3Simultaneity of events
- 4Time interval between two events
Correct answer
Velocity of light in vacuum
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