# Special relativity: Quiz

Question 1: ________ Lunar Laser Ranging experiment.
NASAHuman spaceflightSpace explorationSpace Race

Question 2: The results of various experiments, including the ________, indicated that the Earth was always 'stationary' relative to the aether–something that was difficult to explain, since the Earth is in orbit around the Sun.
Luminiferous aetherSpecial relativityAlbert EinsteinMichelson–Morley experiment

Question 3: Suppose we have a ________ at rest in the unprimed system S.
Marine chronometerWater clockClockTime

Question 4: Notice that this calculation ignores the ________ which is the reaction to the emission of electromagnetic radiation by the particle.
Special relativityElectromagnetismGeneral relativityAbraham–Lorentz force

Question 5: [2] Special relativity incorporates the principle that the ________ is the same for all inertial observers regardless of the state of motion of the source.
SunOpticsSpeed of lightPhoton

Question 6: That is, when we look at the ________ and say "The light from that star which I am receiving is X years old", we are looking down this line of sight: a null geodesic.
SupernovaBinary starStarStellar classification

Question 7: Taylor, Edwin, and ________ (1992) Spacetime Physics (2nd ed.).
John Archibald WheelerChien-Shiung WuGeorge Eugene UhlenbeckMaurice Goldhaber

Question 8: The theory is termed "special" because it applies the ________ only to inertial reference frames, i.e.
Principle of relativitySpecial relativityIntroduction to special relativityGeneral relativity

Question 9: Time dilation explains a number of physical phenomena; for example, the decay rate of ________ produced by cosmic rays impinging on the Earth's atmosphere.
MuonElectronMesonProton

Question 10: [citation needed] Just as Euclidean space uses a Euclidean metric, so space-time uses a ________.
Minkowski spaceGeneral relativitySpacetimeSpecial relativity