17 Multiple choice questions
meaning that, from the perspective of a stationary observer, lengths
shorten in the direction (or parallel to the direction) of motion
- a device that scientists use to observe the interference of light
meaning that time passes more slowly (takes longer to pass) for the
moving clock than the stationary clock, or that from the perspective of a
stationary observer, a moving object's clock slows down
theory that states how related elements of space and time change with
respect to speed or gravity; states that there is no absolute point of
reference for physical events
philosophy that states that all value judgments-- that is, all attempts
to distinguish betwee right and wrong-- are relative to the situation
(a philosophy which some try to link to relativity)
- term for an object's mass at rest
- The speed of light is a(n) ____ ___ ___ on velocity in the universe.
- the type of relativity that is concerned primarily with motion at a high velocity
- Energy is _____ to mass.
- 3.00 x 10^8 m/s^
- the two physical absolutes, according to the theory of relativity
- With respect to an observer's frame of reference, objects appear to gain ___ as they _____.
an observer measures how fast two objects are moving apart or coming
together, the velocity so determined (will, will not) be the same as the
velocity of one object as seen from the other.
- With respect to an observer's frame of reference, a moving object will experience both ___ ____ and ___ ____.
American physicist who attempted to find the speed of light through an
experiment involving a light source and mirrors on two different
- the invisible medium of light that was supposed by nineteenth century scientists to permeate the entire universe
- the theory which says that all masses produce curves in space, which affect space and time, but not mass