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Special Relativity
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1
Albert Einstein proposed that in all inertial frames of reference the speed of light will
1 point
change according to the speed of the inertial frame
be the same
appear zero if the observer's reference frame is moving away from the source of light's inertial frame of reference
double if the observer is moving towards the source of light's inertial frame of reference.
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2
You are moving with a speed v towards mirror when you shine a laser towards the mirror. The speed of the reflected laser light will be
1 point
v
1/2 v
2 v
c , the speed of light.
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3
An astronaut measures the length of a ruler in his spaceship, which is traveling past the Earth with a speed of 0.75c. The length of the ruler as measured by an observer on the Earth will be
1 point
the same
smaller
larger
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4
According to the Special Theory of Relativity clocks in a moving inertial reference frame as observed by a stationary observer will be
1 point
running faster
running slower
running with an equal time
stopped
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5
According to Albert Einstein which quantities must change to keep the speed of light constant in different inertial frames constant.
1 point
distance
time
distance and time
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