Exam (elaborations)
Relativity Exam Questions and Answers 2024
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Exam of 3 pages for the course Relativity at Relativity (Relativity Exam)
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Relativity ExamAlbert Einstein - answer Postulated that natures laws are the same in all uniformly
moving systems. Ex. the results of an experiment in your basement will be the same as
if you performed the same experiment in supersonic aircraft moving at constant speed.
In addition, no experiment can distinguish between uniform motion and rest.
equivalent – answer mass and energy are ___________.
rest energy - answer “energy of being"
first postulate of special relativity - answer All the laws of nature are the same in all
uniformly moving objects
second postulate of special relativity - answer the speed of light is a constant regardless
of the motion of the source or the observer.
Special Relativity - answer A fundamental theory concerning space and time. It is
special in that it deals with uniformly moving reference frames(non-accelerating). He
concluded that events in an accelerated frame of reference would be no different than
events attributed to a gravitational field.
non-relativistic rule of adding velocities – answer V=V1+V2
General Relativity - answer Deals also with accelerating systems. A geometry of curved
4-Dimensional Spacetime.
light clock - answera beam of light reflected between two parallel mirrors used to
measure time, synchronized to earth time.
light - answerNo material can travel as fast as or faster than the speed of _________.3
x 10^8 m/s
reference frame - answerwhere the observer is observing from
time dilation - answerTime can be stretched. The slowing of a clock as its speed
approaches the speed of light as measured by an observer not moving with the clock.
Confirmed by experiments.
Doppler effect - answerThe change in frequency of a wave as its source moves in
relation to an observer, As rocket moves towards earth, an observer(on earth) will see
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