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Physics Overview
Physics Overview
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1
To be able to predict the future using physics what must you know?
What formulas are being used.
What the final conditions are.
What the rules are.
What systems are involved.
2
A sound is any ___________ travelling through a medium which can be heard when it reaches a person’s ear.
particle
vibration
molecule
transmission
3
A girl walks 10 miles west to a store. She then turns and walks 30 meters east to home. What is her total displacement?
40 miles west
20 miles west
20 miles east
40 miles east
4
Our electricity is still predominantly powered by _________ current, but some devices are powered by __________ current.
direct, alternating
static, reversable
alternating, static
alternating, direct
5
As the wavelength of light increases, its energy ________________.
converts
decreases
stays the same
increases
6
A __________________ is the smallest quantity of energy which can be transported.
photon
proton
neutron
electron
7
________________
describes how much energy a wave is carrying.
frequency
amplitude
pitch
volume
8
Oil or soap film when in daylight appears coloured because of ______________________.
refraction
diffraction
interference
dispersion
9
The two main types of electricity are ___________________ and ___________________.
solar and wind
static and current
electro and magnetic
alternating and direct
10
_____________________ is a measurement of the degree of randomness of energy in a system.
Entropy
Diffusion
Conduction
Thermal Imaging
11
Magnetism is a force of attraction or repulsion of a magnetic material due to the arrangements of its ________________.
protons
atoms
electrons
neutrons
12
Photosynthesis is an example of which Thermodynamic Law
First Law of Thermodynamics
Zeroth Law of Thermodynamics
Third Law of Thermodynamics
Second Law of Thermodynamics
13
Which one is not a state of matter?
Solid
Light
Gas
Liquid
14
Which Thermodynamic Law states that when a pair of different temperature systems touch, heat will flow from hot to cold.
Second Law of Thermodynamics
Third Law of Thermodynamics
Zeroth Law of Thermodynamics
First Law of Thermodynamics
15
Sound travels through space.
True
False
16
In Ohm's Law, where
"V / I = R"
what does
"I"
represent?
Induction
Intensity
Current
Charge
17
Sound waves above 20 kHz are known as __________________ and are not audible to humans.
ultrasound
isosound
intersound
infrasound
18
What does a vector quantity have that a scalar quantity lacks?
magnitude
speed
direction
force
19
Which type of light radiation is used as a sterilizing agent in the medical industry?
Infrared
Microwave
Gamma
Ultraviolet
20
Which of the following does the science of thermodynamics not study?
the relationship between heat, work and properties of systems.
the interaction between energy and material.
how and at what rate energy transformations are carried out
the change in pressure and volume of objects.
21
Who formulated the law of universal gravitation and laws of motion and was considered a founding father of physics?
Galileo Galileiis
Albert Einstein
Isaac Newton
Max Planck
22
In which type of system can heat transfer, but mass cannot transfer in or out of?
Open System
Closed System
Isolated System
Equilibrium System
23
Which is not a component of a battery?
anode
cathode
electrolyte
cell
24
Which of the following is not an example of a good conductor material?
copper
aluminum
steel
glass
25
Which Newtonian Law states that for every action, there is an equal and opposite reaction.
Newton's Third Law
Newton's Second Law
Newton's Fourth Law
Newton's First Law
26
In an atomic model, the nucleus is composed of _________________ and _________________.
electrons and protons
electrons and neutrons
protons and neutrons
protons and freeons
27
________________ is our primary means of perceiving the world around us.
Light
Energy
Physics
Sound
28
The strength of an electromagnetic field can be increased by _____________________.
decreasing the electrical current
changing the direction of the electrical current
increasing the electrical current
alternating the electrical current
29
In the equation
∑ F = ma
, what does F represent?
Field
Friction
Frequency
Force
30
The speed of light will be slowest when passing through __________________.
air
water
a vaccum
glass
31
The phenomenon by which a light beam is redirected in different directions when it interacts with particles of matter.
Dispersion
Refraction
Diffusion
Scattering
32
What does an electrical circuit NOT need?
a load that converts the energy.
a source of electrical energy.
a voltage meter.
the connecting wires.
33
Which electromagnetic radiation has the highest energy and shortest wavelength?
Infrared
Gamma
X-Rays
Radio
34
Audible sound energy is measured in ________________.
kilowatts
amperes
decibels
hertz
35
Physics is concerned with the systemized knowledge of _____________ and _______________.
matter and force
mass and fields
fields and energy
matter and energy
36
If you cut a magnet in half, you make 2 new magnets.
True
False
37
The thick white protective outer layer of the eye that refracts the light as it passes through.
Cornea
Retina
Iris
Pupil
38
A rainbow is formed by what phenomenem?
diffusion of sunlight through water droplets.
reflection of sunlight by water droplets.
refraction of sunlight by water droplets.
absorption of sunlight in water droplets.
39
Physics is based on ______________________ , which is the purest form of the sciences.
mechanics
biology
mathematics
chemistry
40
A woman's voice has a higher pitch than man's voice due to ____________________.
longer wave length
higher frequency
longer vocal chords
lower frequency
41
Which law says that energy cannot be created or destroyed but can only be transformed from one form to another?
Law of Mass Conservation
Law of Thermodynamics
Law of Energy Transformation
Law of Conservation of Energy
42
What is the rate of acceleration of gravity?
9.8 m/s/s/
8.9 m/s/s
9.6 m/s/s
7.8 m/s/s/
43
Which one of the following remains constant while throwing a ball upward?
displacement
acceleration
kinetic energy
velocity
44
Each visible light color corresponds to a different ____________________.
wavelength
vibration
frequency
amplitude
45
Magnetism derives from a property of electrons known as ________________.
rotation
magnetic moment
spin
momentum
46
_____________________ is a measure of the difference in electrical potential energy between two points in a circuit.
Current
Amplitude
Resistance
Voltage
47
The speed of sound remains constant regardless of the medium through which it passes.
False
True
48
Magnets and electromagnets both __________________.
have fixed poles.
can be turned on and off.
have magnetic lines of force in an invisible field.
can have their strength changed.
49
The narrowest band of light radiation on the electromagnetic spectrum is ________________.
visible light
infrared light
x-ray light
ultraviolet light
50
Which one is a scalar quantity?
acceleration
velocity
displacement
speed
51
________________ is the only entity that has photons.
Heat
Light
Magnetism
Electricty
52
An electric current is the result of __________________ being "lost" from an atom.
neutrons
protons
ions
electrons
53
In a power grid, electricity is made by ______________ that convert mechanical energy into electrical energy.
conductors
engines
transformers
generators
54
Which of the following is NOT an artificial form of heat production?
Hot Springs
Furnace
Burning of Fossil Fuels
Nuclear Fusion
55
In quantum mechanics, particles can sometimes exist as _________________ and sometimes as _________________.
rays and particles
waves and particles
waves and rays
electrons and waves
56
A car starts off at 5m/s and accelerates at 4m/s2 for 10s. What is its final velocity?
50 m/s
55 m/s
45 m/s
40 m/s
