Lorentz Transformation Made Simple: Quick IB Physics Challenge
Test your understanding of Lorentz transformations with short, concept-focused IB Physics questions.
2026-03-21 · 5 questions
Lorentz Transformation Made Simple: Quick IB Physics Challenge
Test your understanding of Lorentz transformations with short, concept-focused IB Physics questions.
Question 1 of 5
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Q1. If two events occur at the same place in one frame, how are they observed in another moving frame?
- They occur at the same place
- They may occur at different positions Correct
- They always occur at the same time
- They disappear
Why
Lorentz transformation mixes space and time, so position depends on the observer’s frame.
Q2. Why is the speed of light the same in all inertial frames?
- Because time and space adjust via Lorentz transformation Correct
- Because light has no energy
- Because observers agree on distances
- Because of Newton’s laws
Why
Lorentz transformations ensure space and time change to keep the speed of light constant.
Q3. A moving clock is observed from Earth. What happens to its time measurement?
- It runs faster
- It runs slower Correct
- It stops
- It becomes random
Why
Time dilation occurs due to Lorentz transformation, making moving clocks appear slower.
Q4. Which quantity remains invariant under Lorentz transformation?
- Distance
- Time interval
- Spacetime interval Correct
- Velocity
Why
The spacetime interval remains constant for all observers, a key result of relativity.
Q5. Why do moving objects appear shorter along the direction of motion?
- Because of measurement error
- Because of Lorentz contraction Correct
- Because mass decreases
- Because time stops
Why
Length contraction arises from Lorentz transformation, reducing length in the direction of motion.