PHYSICS · Multi-part · A Level · Physics · Turning points in physics · Turning points in physics
Problem
1. a Explain what is meant by the term *invariant*.
2. b
- i Define the spacetime interval, Δs .
- ii By using the Lorentz transformations show that the spacetime interval is invariant.
3. c Define the following terms:
- i *Rest mass*
- ii *Proper length*
- iii *Proper time*
(a) Explain what is meant by the term *invariant*.
(b) - i Define the spacetime interval, Δs .
- ii By using the Lorentz transformations show that the spacetime interval is invariant.
(c) Define the following terms:
- i *Rest mass*
- ii *Proper length*
- iii *Proper time*