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SPH4U Modern Physics Review Flashcards | StudBud
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SPH4U Modern Physics Review
SPH4U Modern Physics Review
21 terms
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A review of topics such as General Relativity, Quantum Mechanics,
Flashcards
21 cards
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Questions
21
Answers
1
According to relativity, time is:
Constant in all frames
A fixed universal measure
Only slower in moving frames
Relative depending on the observer's motion
2
As you approach the speed of light time ____ around you.
slows down
stays the same
speeds up
3
The Special Theory of Relativity says the speed of light _____ as it travels through space?
slows down
dilates
remains the same
speeds up
4
As an object approaches the speed of light, its energy:
Remains constant
Doubles
approaches inifinity
Dissipates
5
Proper time is measured by an observer who is:
Stationary with respect to the event
Not observing the event
Moving with respect to the event
In a non-inertial frame
6
Describing how fast objects move relative to one another is known as
Special Relativity
Classical Relativity
General Relativity
7
A the light from a flashlight on the tip of a rocket traveling near the speed of light travels
the speed of light plus the rocket's velocity
in between the speed of light and the rocket's velocity
the speed of light minus the rocket's velocity
the speed of light
8
Which of the following is not a theory to explain quantum physics?
Copenhagen Interpretation
collapse theory
Heisenberg Uncertainty Principle
many worlds theory
9
Theory that claims our universe is traveling on a membrane
M Theory
String Theory
Boson Theory
10
Light is a
Both
Wave
Particle
11
According to Einstein’s second postulate, the speed of light is:
Dependent on the motion of the source
Affected by gravitational fields
Only constant in Earth's frame of reference
Constant in all frames of reference
12
Einstein said gravity is created by
Warping space-time
SImultaneity
Electromagnetism
Gravitons
13
Area of Physics for really big or fast things
Quantum Mechanics
Astronomy
Particle Physics
Relativity
14
Which process is responsible for energy production in the sun?
Combustion
Time Dilation
Fission
Fusion
15
The principle of relativity states:
All observers agree on time intervals
Motion is absolute
Light requires a medium to travel through
The laws of physics are valid in all inertial frames
16
Area of Physics for very small things
Cosmology
Space-Time
Quantum Mechanics
Relativity
17
Which type of frame of reference do Newton's laws apply to?
non-inertial
rotating
inertial
accelerating
18
Why is fusion considered a desirable energy source?
It converts waste water into energy
It is easy to control
It offers clean energy with no radioactive by-products
All the above
19
What is the main goal of a Theory of Everything in physics?
To unify all fundamental forces and particles into a single framework
To create a theory to explain electromagnetism and gravity
To prove the existence of alternate dimensions
To unify elecrtromagnetism with the strong and weak nuclear forces
20
Which object would warp space-time more?
More inertial mass
Less inertial mass
21
The Michelson-Morley experiment disproved the existence of:
space-time continuum
ether
time dilation
gravity
