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Einstein's Relativity

Total questions: 115

Worksheet time: 1hrs 19mins

Name
Class
Date
1.

What is the meaning of E = mc2 ?What\ is\ the\ meaning\ of\ E\ =\ mc^2\ ?

a)

It means that mass and energy are equivalent

b)

The formula to calculate the gravitational force

c)

Energy is not equivalent to mass

d)

It calculates the eccentricity of an elliptical orbit

2.

Where did Einstein migrate form and to when fleeing Nazi persecution?

a)

Germany : England

b)

Soviet Union : Germany

c)

Germany : US

d)

US : England

e)

Germany : Switzerland

3.
The special theory of relativity was derived by:
a)
Galileo
b)
Newton
c)
Einstein
d)
Sitter
4.
The speed of light is constant in all frames of reference.
a)
True
b)
False
5.
We experience Einstein's Theory of Relativity in our everyday life when we use
a)
Global Positioning System
b)
Microwave ovens.
c)
Toasters
d)
Graphing Calculators
6.
Compared to clocks in a stationary reference frame moving clocks run 
a)
faster
b)
slower
c)
at the same rate
7.
What does gravity do to time?
a)
speeds it up
b)
slows it down
c)
nothing
8.

Before Einstein published his work, people thought that energy moved through ...

a)

ether

b)

space

c)

nothing

d)

everything

9.

The failure of the Michelson–Morley experiment in 1887 implied that the speed of light was ...

a)

constant no matter what.

b)

slowing down.

c)

speeding up.

d)

dependent on your relative position.

10.

Einstein's paper on ________ proved that nothing can move faster than light.

a)

special relativity

b)

Brownian motion

c)

the photoelectric effect

d)

the equivalence of mass and energy

11.

Mass and energy can be converted into one another.

a)

True

b)

False

12.

What is the other postulate of Special Relativity that Einstein determined?

a)

The speed of light is always changing regardless of the frame of reference.

b)

Gravitational Wells are deformations in space-time.

c)

Light will produce electrical currents through the photo-electric effect.

d)

The speed of light in a vacuum is the same in all inertial frames of reference.

13.
Who was the creator of a special theory of relativity? It showed calculations of time and motion.
a)
Albert Einstein
b)
Hitler
c)
Nazis
14.
Compared to clocks in a stationary reference frame moving clocks run 
a)
faster
b)
slower
c)
at the same rate
15.
As an object approaches the speed of light, time for that object slows down, and it ages slowly.
a)
True
b)
False
16.
Who mathematically proved that energy and matter can be converted into each other?
a)
Sigmund Freud
b)
Albert Einstein
c)
Hitler
d)
Axis Powers 
17.
This astronomical object worries physicists because it seems to possible violate the Law of Conservation of Matter (....and Energy).
a)
Black Hole
b)
White Dwarf
c)
Pulsar
d)
Red Giant
18.

Ø Time is relative.

a)

TRUE

b)

FALSE

19.

In what year did Einstein develop his theory of relativity?

a)

1880

b)

1905

c)

1914

d)

1921

20.

The speed of light (c) =

a)

3 x 108 miles/hour

b)

3 x 108 meters/second

c)

3 x 108 kilometers/hour

d)

none of these

21.
How many postulates are there in the special theory of relativity?
a)
1
b)
2
c)
3
d)
4
22.

3. Time Dilation is the phenomenon of time passing slower for an observer who is moving relative to another observer.

a)

FACT

b)

BLUFF

23.

4. Length Contraction is the phenomenon where the length of an object in motion with respect to the observer appears smaller than its length when it is at rest with respect to the observer.

a)

FACT

b)

BLUFF

24.

6. In relativistic point of view, what happen to mass as velocity increases?

a)

mass increases

b)

mass decreases

c)

mass does not change

d)

mass decrease first and then increase

25.
Which of these provides the best analogy for what massive objects do to spacetime?  
a)
coat hanger in the closet
b)
bowling ball on a rubber sheet
c)
car driving in a circle
d)
tennis ball in the dryer
26.
What is gravitational lensing?
a)
slowing down of time around a black hole
b)
light bending around a massive object
c)
light moving in a straight line around a massive object
d)
light bending as it goes from one medium to another
27.
Someone safely orbiting a black hole is watching you fall into a black hole, what do they see?
a)
Time Dilation
b)
Spaghettification
c)
Length Contraction
d)
Gravitational collapse
28.
is it possible to orbit a black hole?
a)
Yes
b)
No
29.
In the movie Interstellar, the main character was on a planet that was close to a black hole for a short time while his young daughter remained on Earth.  Based on what you know about gravity and time, OR your knowledge of the movie... what happened?
a)
When he got back to Earth, his daughter was older than he was
b)
When he got back to Earth, his daughter was the same age but he was younger
c)
When he got back to Earth, his daughter wasn't even born yet.  
d)
When he got back to Earth his daughter was just being born.  
30.
Does gravity affect light?
a)
Yes
b)
No
31.

The speed of light in a vacuum is

a)

300,000 km per second

b)

300,000 miles per hour

c)

600,000,000 miles per second

32.
The speed of light (c) =
a)
3 x 108 miles/hour
b)
3 x 108 meters/second
c)
3 x 108 kilometers/hour
d)
none of these
33.
A train moving with a constant speed is an example of an inertial frame of reference.
a)
True
b)
False
34.
One of the most startling consequences of time dilation is that a moving clock ______________ relative to a stationary observer.
a)
Speeds up
b)
Slows down
35.
If you travel at the speed of light a second can be observed to last forever.
a)
True
b)
False
36.
When you approach a light source, the light from that source has a speed 
a)
greater than c. 
b)
less than c. 
c)
equal to c.
37.
We do not usually observe relativistic effects in our daily lives because 
a)
we are moving at speeds much less than c. 
b)
we are much larger than atoms. 
c)
we are much heavier than elementary particles. 
d)
we are much lighter than stars. 
38.

There are two clocks one is stationary on the earth the other is traveling close to the speed of light around the earth. If we put the clocks back together after the second clock makes it back from its trip, the times are compared. What do you expect to occur?

a)

More time elapsed on the stationary clock

b)

More time elapsed on the traveling clock

c)

No time has changed between them

39.

Based on the concepts of Special Relativity time travel is...

a)

not possible

b)

possible only in the ability to travel into the past.

c)

possible only in the ability to travel to the future.

d)

possible to travel either forward or backward in time.

40.

An object moving at a relativistic speed past a stationary observer appears to

a)

have length expanded and have a faster clock

b)

have length contracted and have a slower clock

c)

have length contracted and have a faster clock

d)

have length expanded and have a slower clock

41.

A spaceship, moving away from the Earth at a speed of 0.9c, fires a light beam backward. An observer on Earth would see the light arriving at a speed of

a)

1.9c

b)

0.1 c

c)

c

d)

more than 0.1c but less than c

42.

If you were to travel at a speed close to the speed of light, you would notice which of the following?

a)

Your mass has increased.

b)

Your pulse rate has decreased.

c)

Your ship has contracted

d)

You would notice none of these effects because you are in an inertial frame.

43.

Two identical atomic clocks are made. One is placed in the foothills of the Rocky Mountains at the NIST in Boulder, Colorado, about one mile above the sea level, and the second is flown in a GPS satellite around Earth at about 17,000 mph. Which clock gets ahead of the other?

a)

The clock in orbit

b)

The Boulder clock

c)

Both clocks run at the same rate

d)

E

44.

An object with a nonzero rest mass moving at the speed of light would have

a)

no momentum.

b)

time pass at an infinitely fast rate

c)

infinite volume

d)

infinite apparent mass

45.
What is the equivalence principle? 
a)
gravity and acceleration are the same thing
b)
constant speed and at rest are the same thing
c)
gravity is curvature of space
d)
gravity and constant velocity are the same thing
46.
According to Newton, gravity was a force.... According to Einstein, gravity is a ________.  
a)
force
b)
curvature
c)
mystery
d)
constant velocity
47.

During what rare event was General Relativity confirmed?

a)

Halley's Comet

b)

Total Lunar Eclipse

c)
Summer Solstice
d)

Total Solar Eclipse

48.
What is the equivalence principle? 
a)
gravity and acceleration are the same thing
b)
constant speed and at rest are the same thing
c)
gravity is curvature of space
d)
gravity and constant velocity are the same thing
49.
According to Newton, gravity was a force.... According to Einstein, gravity is a ________.  
a)
force
b)
curvature
c)
mystery
d)
constant velocity
50.
What does gravity do to time?
a)
speeds it up
b)
slows it down
c)
nothing
51.
Which of these provides the best analogy for what massive objects do to spacetime?  
a)
coat hanger in the closet
b)
bowling ball on a rubber sheet
c)
car driving in a circle
d)
tennis ball in the dryer
52.

During what rare event was General Relativity confirmed?

a)

Halley's Comet

b)

Total Lunar Eclipse

c)
Summer Solstice
d)

Total Solar Eclipse

53.
At rest on the Earth would feel exactly like ______________.  
a)
Being on a rocket in space moving at a constant velocity.
b)
Being on a rocket in space accelerating upwards at 9.8 m/s2
c)
Being on a rocket in space that is at rest.
d)
Being at rest on Jupiter
54.
Does a beam of light 'fall' if it is moving through a gravitational field?
a)
Yes
b)
No
55.
What is gravitational lensing?
a)
slowing down of time around a black hole
b)
light bending around a massive object
c)
light moving in a straight line around a massive object
d)
light bending as it goes from one medium to another
56.
Finish this phrase "Matter tells spacetime how to curve, spacetime tells matter how to ______"
a)
move
b)
collapse
c)
expand
d)
rest
57.
Which theory explains the geometric description of gravity as a curvature of spacetime around massive bodies? 
a)
Theory of Special Relativity
b)
Law of Universal Gravitation
c)
Theory of General Relativity
d)
Photoelectric Theory 
58.
If you were out in space and wanted to simulate the feeling of Earth's gravity, what would be the best way to do it?
a)
Accelerate upwards at 9.8 m/s2
b)
Travel at a constant velocity
c)
Travel at the escape velocity of Earth
d)
go in orbit around a large star
59.
Which two situations would feel exactly the same?
a)
Accelerating upward on an elevator on Earth; Being at rest in the middle of outer space
b)
At rest on the surface of the Earth; in orbit around the Earth on the Space Station
c)
Free Falling elevator on Earth; in orbit around the Earth on the Space Station
60.
In the movie Interstellar, the main character was on a planet that was close to a black hole for a short time while his young daughter remained on Earth.  Based on what you know about gravity and time, OR your knowledge of the movie... what happened?
a)
When he got back to Earth, his daughter was older than he was
b)
When he got back to Earth, his daughter was the same age but he was younger
c)
When he got back to Earth, his daughter wasn't even born yet.  
d)
When he got back to Earth his daughter was just being born.  
61.

Objects with mass cause disturbances in this...

a)

time

b)

space

c)

gravity

d)

spacetime

62.
Clocks closer to a gravitational source run ______
a)
slower
b)
faster
c)
the same
63.

Which best describes why the moon orbits the Earth.... according to General Relativity?

a)

Gravity force from the Earth pulls on the moon

b)

Gravity force from the Earth pushes on the moon

c)

The moon moves around the curvature in spacetime created by the Earth's mass

64.

What is the name for the path that an object follows through spacetime?

(a)  

65.

If you wanted to experience an inertial frame, you should

a)

Sit still. I'm already in one.

b)

Accelerate upwards at 9.8 m/s/s

c)

Travel on Earth at constant velocity

d)

Go skydiving

66.

In our lab, we learned that objects "at rest" in curved spacetime...

a)

are in a state of absolute rest

b)

will appear to fall

67.

In our lab, we learned that objects that appear to be at rest

a)

are truly in a state of absolute rest

b)

are really accelerating downward

c)

are really accelerating upward

d)

are really going at constant speed

68.
Does a beam of light 'fall' if it is moving through a gravitational field?
a)
Yes
b)
No
69.
What is gravitational lensing?
a)
slowing down of time around a black hole
b)
light bending around a massive object
c)
light moving in a straight line around a massive object
d)
light bending as it goes from one medium to another
70.
Finish this phrase "Matter tells spacetime how to curve, spacetime tells matter how to ______"
a)
move
b)
collapse
c)
expand
d)
rest
71.
Which theory explains the geometric description of gravity as a curvature of spacetime around massive bodies? 
a)
Theory of Special Relativity
b)
Law of Universal Gravitation
c)
Theory of General Relativity
d)
Photoelectric Theory 
72.
If you were out in space and wanted to simulate the feeling of Earth's gravity, what would be the best way to do it?
a)
Accelerate upwards at 9.8 m/s2
b)
Travel at a constant velocity
c)
Travel at the escape velocity of Earth
d)
go in orbit around a large star
73.
Which two situations would feel exactly the same?
a)
Accelerating upward on an elevator on Earth; Being at rest in the middle of outer space
b)
At rest on the surface of the Earth; in orbit around the Earth on the Space Station
c)
Free Falling elevator on Earth; in orbit around the Earth on the Space Station
74.

Objects with mass cause disturbances in this...

a)

time

b)

space

c)

gravity

d)

spacetime

75.
Clocks closer to a gravitational source run ______
a)
slower
b)
faster
c)
the same
76.

Which best describes why the moon orbits the Earth.... according to General Relativity?

a)

Gravity force from the Earth pulls on the moon

b)

Gravity force from the Earth pushes on the moon

c)

The moon moves around the curvature in spacetime created by the Earth's mass

77.

What is the name for the path that an object follows through spacetime?

(a)  

78.

Mass energy relation is

a)

E=mc2

b)

E=T+V

c)

E=T-V

d)

M=Ec2

79.

True or False? In Galilean Relativity, observers moving relative to one another will measure the speed of light differently.

a)

True

b)

False

80.

What was the historical takeaway from the Michelson & Morley experiment?

a)

It demonstrated there was no luminiferous aether.

b)

It demonstrated light must move at the same speed regardless of reference frame.

c)

It demonstrated light was a wave phenomena.

d)

It demonstrated that the speed of light was relative.

81.
How much is space time curved at a black hole?
a)
infinitely
b)
finitely
82.
Describe the escape velocity of a black hole?
a)
slower than the speed of light
b)
unknown
c)
faster than the speed of light
83.
How fast does gravity travel?  
a)
gravity does not have a speed, it is instantaneous
b)
at the speed of light
c)
slower than the speed of light
84.
If the Sun all of the sudden vanished/disappeared how long would it take for the Earth's orbit to be affected by this?
a)
instantaneously
b)
8 minutes
c)
3 ly
85.
What happened during the eclipse experiment?
a)
the position of stars behind the sun moved outward
b)
the position of stars behind the sun moved inward
c)
the position of stars behind the sun remained unchanged
d)
new stars that were never seen before appeared.  
86.
Which theory explains the geometric description of gravity as a curvature of spacetime around massive bodies? 
a)
Theory of Special Relativity
b)
Law of Universal Gravitation
c)
Theory of General Relativity
d)
Photoelectric Theory 
87.

Who was the creator of a special theory of relativity?

a)

Albert Einstein

b)

Marie Curie

c)

Sir Isaac Newton

d)

Michelson and Morley

88.

When you approach a light source, the light from that source has a speed

a)

greater than c.

b)

less than c.

c)

equal to c.

89.

Compared to clocks in a stationary reference frame moving clocks run:

a)

faster

b)

slower

c)

at the same rate

90.

There are two twins on Earth. One flies off on a spacecraft traveling 90% of 'c' while the other twin stays on Earth. Which of the following is TRUE?

a)

The twin on the spacecraft will age more slowly than the Earth-bound sibling

b)

Time in each frame of reference proceeds differently at different speeds

c)

This is an example of the 'Twin Paradox'

d)

All answers are true

91.

The speed of light _________________.

a)

is constant in all frames of reference

b)

changes based on frame of reference

c)

speeds up even faster in different frames of reference

d)

stops when in different frames of reference

92.

Who was the creator of a special theory of relativity?

a)

Albert Einstein

b)

Marie Curie

c)

Sir Isaac Newton

d)

Michelson and Morley

93.
We do not usually observe relativistic effects in our daily lives because 
a)
we are moving at speeds much less than c. 
b)
we are much larger than atoms. 
c)
we are much heavier than elementary particles. 
d)
we are much lighter than stars. 
94.

E=MC2 is a formula that...

a)

describes how mass warps spacetime

b)

describes the relationship between acceleration and gravitational pull

c)

describes mass and energy as different manifestations of the same thing (like 2 sides of a coin)

d)

describes the relationship between the event horizon and the singularity of a black hole

95.

What does the relativity of simultaneity say?

a)

There can NEVER be agreement on the simultaneity of events viewed from different reference point

b)

If two events occur at the same time in one reference frame, they will occur at the same time in all reference frames.

c)

There is ALWAYS agreement from all frames of reference on the simultaneity of events

96.

When you approach a light source, the light from that source has a speed

a)

greater than c.

b)

less than c.

c)

equal to c.

97.

Compared to clocks in a stationary reference frame moving clocks run:

a)

faster

b)

slower

c)

at the same rate

98.

There are two twins on Earth. One flies off on a spacecraft traveling 90% of 'c' while the other twin stays on Earth. Which of the following is TRUE?

a)

The twin on the spacecraft will age more slowly than the Earth-bound sibling

b)

Time in each frame of reference proceeds differently at different speeds

c)

This is an example of the 'Twin Paradox'

d)

All answers are true

99.

The speed of light _________________.

a)

is constant in all frames of reference

b)

changes based on frame of reference

c)

speeds up even faster in different frames of reference

d)

stops when in different frames of reference

100.

The speed of light (c) =

a)

186,282 miles per second

b)

300,000,000 meters per second

c)

3.0 x 105 km/sec (kilometers per second)

d)

All answers are correct and equal to one another

101.

What is the formula for special relativity?

a)

E=MC2E=MC^2

b)

E=MS2E=MS^2

c)

C=ME2C=ME^2

d)

M=EC2M=EC^2

102.

What are the name of Einsteins (4) dimenions?

a)

A, B, C, Time

b)

X, Y, Z, Time

c)

L, W, H, Time

d)

W, X, Y, Z

103.

Special Relativity is a theory of...

a)

Gravity

b)

Star formation

c)

Light

d)

Quantum mechanics

104.

General Relativity is a theory of...

a)

Quantum mechanics

b)

Orbital motion

c)

Light

d)

Gravity

105.

General Relativity combines

a)

Matter and Energy

b)

Space and Time

c)

Particles and forces

d)

Particles and waves

106.

Where is light generated in the universe?

a)

Through the process called 'Fission' on the surface of stars (like our Sun)

b)

Through the process called 'Fusion' within the core of ALL stars

c)

Through the process of 'Radioactive Decay' from unstable isotopes decaying into other forms

d)

All answers are correct

107.

Which of the following BEST describes how light is generated?

a)

Under extreme temperatures and pressure (core of stars) we find hydrogen nuclei exploding out their excess energy

b)

Under extreme temperatures and pressure (on the surface of stars) we find helium nuclei break down into hydrogen nuclei, generating light

c)

Under extreme temperatures and pressure (core of stars) we find hydrogen nuclei bound into creating helium, light is a by-product of the process

d)

It just happens, there is no way to explain it

108.

What are the name of Einsteins (4) dimenions?

a)

A, B, C, Time

b)

X, Y, Z, Time

c)

L, W, H, Time

d)

W, X, Y, Z

109.

Special Relativity is a theory of...

a)

Gravity

b)

Star formation

c)

Light

d)

Quantum mechanics

110.

General Relativity is a theory of...

a)

Quantum mechanics

b)

Orbital motion

c)

Light

d)

Gravity

111.

General Relativity combines

a)

Matter and Energy

b)

Space and Time

c)

Particles and forces

d)

Particles and waves

112.

Where is light generated in the universe?

a)

Through the process called 'Fission' on the surface of stars (like our Sun)

b)

Through the process called 'Fusion' within the core of ALL stars

c)

Through the process of 'Radioactive Decay' from unstable isotopes decaying into other forms

d)

All answers are correct

113.

A particle of light is called a...

a)

Photoelectron

b)

Photon

c)

Proton

d)

Electron

114.

When and where was Albert Einstein born?

a)

in Switzerland.

b)

a teacher of mathematics and physics in a secondary school and later became a university lecturer.

c)

1879 in Germany

d)

Nobel Prize.

e)

His brain was 15% wider than normal.

115.

When did he die? How old was he?

a)

in Switzerland.

b)

died in 1955 at the age of 76

c)

1879 in Germany

d)

Nobel Prize.

e)

His brain was 15% wider than normal.

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