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College Physics 2 Final

Total questions: 90

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
How does an object become positively charged?
a)
losing electrons
b)
gaining electrons
c)
losing protons
d)
gaining protons
2.
How does an object become negatively charged?
a)
losing electrons
b)
gaining electrons
c)
losing protons
d)
gaining protons
3.
Electric charges that are alike _______ each other.
a)
Attract
b)
Repel
4.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
5.
Like charges ...
a)
attract each other
b)
repel each other
c)
stabilize each other
d)
are not attracted or repelled
6.
When objects have equal numbers of positive and negative charges, they are
a)
positively charged
b)
negatively charged
c)
electrically neutral
d)
unbalanced
7.
A region around charged objects where the object´s electric force is exerted on other charged objects is an electric: 
a)
Field
b)
Outlet
c)
Socket
d)
Power plant 
8.
How do objects become electrically charged?
a)
Protons move from one object to another
b)
Neutrons move from one object to another
c)
Electrons move from one object to another
d)
Neutrons and electrons trade places
9.
The invisible region around any charged object
a)
electric force
b)
electric discharge
c)
electric field
d)
bonding charge
10.
A negatively charged particle has
a)
more protons than electrons
b)
more electrons than protons
c)
neutrons and protons but no electrons
d)
an equal number of protons and electrons
11.
Two neutral objects are rubbed together and charges transfer. This is called charging by
a)
induction
b)
conduction
c)
friction
d)
tension
12.
A neutral object is brought close to a charged object but doesn't touch.  The charges in the neutral object are rearranged
a)
induction
b)
conduction
c)
friction
d)
tension
13.
A charged object touches a neutral object and the charges transfer. This is called charging by
a)
induction
b)
conduction
c)
friction
d)
tension
14.
Three resistors with values of 4.0 Ω, 6.0 Ω and 10.0 Ω are connected in parallel. What is their equivalent resistance?
a)
20.0 Ω
b)
7.3 Ω
c)
6.0 Ω
d)
1.9 Ω
15.
Compared to thin wires, electrical resistance in thick wires is:
a)
greater
b)
less
c)
the same
16.
When one bulb in a series circuit containing several light bulbs burn out:
a)
the other bulbs burn brighter.
b)
nothing changes in the rest of the circuit.
c)
none of the other bulbs will light up.
17.
When resistors are put in parallel with each other their overall resistance is:
a)
larger than that of any other resistor.
b)
the same as the resistance of one of the resistors.
c)
smaller than the resistance of any of the resistors.
18.
If a branch with a resistor is added to a parallel circuit, the equivalent resistance:
a)
increases.
b)
decreases.
c)
remains the same.
d)
becomes zero.
19.
If a resistor is added to a series circuit, the equivalent resistance:
a)
increases.
b)
decreases.
c)
remains the same.
d)
becomes zero.
20.
Identify the following as characteristics of either a series circuit or a parallel circuit:

When one light bulb burns out, the rest stay lit.
a)
Series circuit
b)
Parallel circuit
21.
Identify the following as characteristics of either a series circuit or a parallel circuit:

When one light bulb burns out, they all go out.
a)
Series circuit
b)
Parallel circuit
22.
Identify the following as characteristics of either a series circuit or a parallel circuit:

Type of circuit used to wire buildings.
a)
Series circuit
b)
Parallel circuit
23.
Identify the following as characteristics of either a series circuit or a parallel circuit:
Consists of units wired in separate branches.
a)
Series circuit
b)
Parallel circuit
24.
Identify the following as characteristics of either a series circuit or a parallel circuit:

Current remains the same throughout the entire circuit.
a)
Series circuit
b)
Parallel circuit
25.
Identify the following as characteristics of either a series circuit or a parallel circuit:

Voltage throughout the circuit remains the same.
a)
Series circuit
b)
Parallel circuit
26.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
27.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
28.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
29.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
30.
The total resistance of a parallel circuit is always...
a)
greater than the sum of all the individual resistances.
b)
greater than any of the individual resistances.
c)
equalto the smallest of the individual resistances.
d)
less than any of the individual resistances.
31.
When another resistor is added to a parallel circuit, the total current...
a)
goes up.
b)
goes down.
c)
is unaffected.
32.
Three resistors with values of 4.0 Ω, 6.0 Ω and 8.0 Ω respectively, are connected in series. What is their equivalent resistance?
a)
18
b)
8.0
c)
6.0
d)
1.8
33.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
34.
A parallel circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Blocked
c)
Charged
d)
Multiple
35.
When another resistor is added to a parallel circuit, the total resistance...
a)
goes up.
b)
goes down.
c)
is unaffected.
36.
When another resistor is added to a series circuit, the total resistance...
a)
goes up.
b)
goes down.
c)
is unaffected.
37.
In a series circuit, which light bulb lights first?
a)
the one closest to the battery
b)
the one farthest from the battery
c)
impossible to determine
d)
they light at the same time
38.
In a parallel circuit, which light bulb lights first?
a)
the one closest to the battery
b)
the one farthest from the battery
c)
impossible to determine
d)
they light at the same time
39.
What is the job of the battery in the circuit?
a)
the produce the charges
b)
to move the charges
c)
to produce the electric force
d)
to limit the charge
40.
What do resistors do to charges in a circuit?
a)
use them up
b)
slow them down
c)
speed them up
d)
convert them to energy
41.
A light bulb is brighter because it has
a)
more resistance
b)
less resistance
c)
no resistance
d)
less power
42.
Why do light bulbs light up?
a)
They have charges inside them
b)
They have charges moving through them
c)
They have a charge build up
d)
There is electric force pushing on the wires
43.
In a vacuum - radio waves, visible light, and x rays all have the same...
a)
speed
b)
wavelength
c)
frequency
d)
period
44.
Which waves have the biggest wavelength?
a)
radio waves
b)
gamma rays
c)
visible light
d)
infrared
45.
Which waves carry the most energy?
a)
radio waves
b)
gamma rays
c)
visible light
d)
infrared
46.
Which waves are detectable by the human eye?
a)
radio waves
b)
gamma rays
c)
visible light
d)
infrared
47.
Why are oranges orange?
a)
Because they absorb orange light and reflect the other colors
b)
Because they reflect orange light and absorb the other colors
c)
Because they are delicious
d)
Because they are infrared
48.
For a plane mirror, how does the angle of incidence compare to the angle of reflection?
a)
they are the same
b)
angle of incidence is bigger
c)
angle of reflection is bigger
d)
impossible to determine
49.
When an object is placed exactly on the focal point, what is produced?
a)
a virtual image
b)
no image
c)
a real image
d)
a smaller image
50.
Diverging mirrors and lenses can produce...
a)
real images only
b)
virtual images only
c)
real and virtual images
51.
Converging mirrors and lenses can produce...
a)
real images only
b)
virtual images only
c)
real and virtual images
52.
Which lens will cause light rays to converge?
a)
A
b)
B
c)
C
d)
D
53.
Which lens will cause light rays to diverge?
a)
A
b)
B
c)
C
d)
D
54.
Which lens is concave?
a)
A
b)
B
c)
C
d)
D
55.
Which lens is convex?
a)
A
b)
B
c)
C
d)
D
56.
Which lens would you use to focus light to a point?
a)
A
b)
B
c)
C
d)
D
57.
A convex lens produces 
a)
a virtual upright image.
b)
a virtual inverted image.
c)
a real upright image.
d)
an real inverted image.
58.
A plane mirror produces 
a)
a virtual image at the same distance from the surface of the mirror.
b)
a virtual image at half the distance from the surface of the mirror.
c)
a real image at the same distance from the surface of the mirror.
d)
an real image at half the distance from the surface of the mirror. .
59.
The image seen is an example of 
a)
reflection
b)
refraction
c)
diffraction
d)
incidence
60.
Light passing through a convex lens demonstrates _____.
a)
homeostasis
b)
refraction
c)
diffraction
d)
polarization
61.
Light is considered to be
a)
electromagnetic waves
b)
particles
c)
transverse waves
d)
all of the above
62.
Speed of light in a vacuum is
a)
represented by the symbol "c"
b)
3.00 X108 m/s 
c)
both answers are correct
63.
When all 3 primary light colors are mixed which color is produced?
a)
black
b)
magenta
c)
white
d)
cyan
64.
The color of light is determined by _______ of the light waves?
a)
the medium
b)
the frequency
c)
the amplitude
d)
the speed
65.
Unlike mechanical waves, EM waves can travel through
a)
a vacuum
b)
water
c)
the ground
d)
air
66.
The intensity of light is related to its brightness.
a)
True
b)
False
67.
How does light travel? 
a)
in all directions
b)
in transverse waves
c)
in a zig zag line
d)
back and forth
68.
What form of energy travels faster?  Light or Sound?
a)
light
b)
sound
69.
Light waves need matter to travel.
a)
True
b)
False
70.
Which of the following is an example of an electromagnetic wave?
a)
a radio wave
b)
a water wave
c)
the oscillation of a spring
d)
the vibration of a violin string
71.
A solid glass or plastic object that light can pass through that refracts light and splits it into the colors of the rainbow.
a)
kaleidoscope
b)
prism
c)
telescope
d)
lens
72.
Mechanical waves cannot be transmitted through a vacuum. Therefore, which of the following are NOT mechanical waves?
a)
Water waves
b)
Seismic waves
c)
Sound waves
d)
Light waves
73.
Which of the following items would work well in space?
a)
A. flashlight
b)
B. radio   
c)
C. guitar     
d)
D. drum set       
74.

Who is responsible for the quantization of energy?

a)

Planck

b)

Einstein

c)

Compton

d)

de Broglie

e)

Heisenberg

75.

Who is responsible for the photoelectric effect?

a)

Planck

b)

Einstein

c)

Compton

d)

de Broglie

e)

Heisenberg

76.

Who is responsible for the Compton effect?

a)

Planck

b)

Einstein

c)

Compton

d)

de Broglie

e)

Heisenberg

77.

Who is responsible for the wave nature of matter?

a)

Planck

b)

Einstein

c)

Compton

d)

de Broglie

e)

Heisenberg

78.

Who is responsible for the uncertainty principle?

a)

Planck

b)

Einstein

c)

Compton

d)

de Broglie

e)

Heisenberg

79.

Who is known as the Father of Quantum Mechanics?

a)

Planck

b)

Einstein

c)

Compton

d)

de Broglie

e)

Heisenberg

80.

Which scientist is from America?

a)

Planck

b)

Einstein

c)

Compton

d)

de Broglie

e)

Heisenberg

81.

The amount of energy an object is allowed to have is...

a)

continuous at the macro level and quantized at the micro level

b)

continuous at both the macro and micro levels

c)

quantized at both the macro and micro levels

d)

quantized at the macro level and continuous at the micro level

82.

Energy at the atomic level (microscopic) can only exist in specific amounts. This is the idea behind...

a)

Quantization of Energy

b)

Photoelectric Effect

c)

Compton Effect

d)

deBroglie Waves

e)

Uncertainty Principle

83.

When light of specific frequencies is shined on a surface, electrons are ejected from the surface. This is the idea behind...

a)

Quantization of Energy

b)

Photoelectric Effect

c)

Compton Effect

d)

deBroglie Waves

e)

Uncertainty Principle

84.

All particles have momentum, even particles with no mass. This is the idea behind...

a)

Quantization of Energy

b)

Photoelectric Effect

c)

Compton Effect

d)

deBroglie Waves

e)

Uncertainty Principle

85.

If waves can behave like particles, then particles can behave like a wave. This is the idea behind...

a)

Quantization of Energy

b)

Photoelectric Effect

c)

Compton Effect

d)

deBroglie Waves

e)

Uncertainty Principle

86.

A person cannot measure the location and the speed (momentum) of an object at the same time. This is the idea behind...

a)

Quantization of Energy

b)

Photoelectric Effect

c)

Compton Effect

d)

deBroglie Waves

e)

Uncertainty Principle

87.

Which quantum principle describes how solar cells work?

a)

Quantization of Energy

b)

Photoelectric Effect

c)

Compton Effect

d)

deBroglie Waves

e)

Uncertainty Principle

88.

Light has properties of a wave and of a particle. What is a property of light that shows it behaves like a particle? (The others listed show how it behaves like a wave.)

a)

interference

b)

frequency

c)

period

d)

quantized energy

89.

A red laser is shined on a piece of metal. No electrons are ejected. What should you do to get electrons to eject from the metal?

a)

Get 2 red lasers

b)

Get a more powerful (brighter) red laser

c)

Get a laser with a higher frequency (different color)

d)

Give up and take the day off

90.

What did Einstein win his Nobel Prize for?

a)

E = mc2

b)

Special Relativity

c)

General Relativity

d)

Photoelectric Effect

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