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SPH4U Relativity Flashcards | StudBud
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SPH4U Relativity
SPH4U Relativity
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Questions
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Answers
1
Read the question on the next screen
C
B
D
A
2
To an observer at rest, anobject traveling at very high speeds appears to be
shrunken uniformly
longer in all directions
shorter in the direction perpendicular to travel
shorter in the direction of travel
3
Read the question on the next screen
B
D
A
C
4
When we speak of time dilation, we mean that time
stretches with speed
is related to space
compresses with speed
is a constant at all speeds
5
Einstein’s second postulate tells us that the speed of light
changes depending on the time of day
slows in a transparent medium
is a constant in all frames of reference
depends on one’s frame of reference
6
Read the question on the next screen
A
C
D
B
7
If you travel at speeds close to speed of light, compared with your friends on earth, you are
longer
older
no younger nor no older
younger
8
Einstein stated that the laws of physics are
different depending on the situation
the same in all frames of reference
common sense applied to microscopic and macroscopic things
the same in all uniformly moving frames of reference
9
Read the question on the next screen
D
C
B
A
10
Read the question on the next screen
A
D
B
C
11
Read the question on the next screen
20 meters
13 meters
10 meters
16 meters
12
Read the question on the next screen
C
B
A
13
Read the question on the next screen
1.25 seconds
2 seconds
1 second
2.5 seconds
14
Read the question on the next screen
B
D
C
A
15
Read the question on the next screen
A
C
B
16
Read the question on the next screen
A
D
B
C
17
What Einstein discovered about space and time is that they
are parts of one whole
are special to space travelers
follow an inverse-square law
are separate entities
18
When we move around through space just a little bit, we are moving
mostly through space and only a little bit through time
only through space
through time only
mostly through time and only a little bit through space
