Special Relativity Basics
Test your knowledge of special relativity — Einstein's theory of how space, time, and mass behave at speeds close to light.
Fourteen questions cover time dilation, length contraction, E = mc², the postulates of relativity, and why nothing with mass can reach light speed.
A challenging check for anyone curious why moving clocks run slow and moving objects appear shorter.
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Sample questions3 of 14 shown
Q1
What is the speed of light in vacuum, approximately?
Q2
Which scientist developed the theory of special relativity?
Q3
According to special relativity, what happens to time when an object moves at high speeds relative to an observer?
What This Quiz Covers
- The two postulates of special relativity
- Time dilation and length contraction
- E = mc² and mass-energy equivalence
- Inertial reference frames
- Why nothing with mass reaches light speed
- The relativistic Doppler effect
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