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Physics Semester 2 Final Review

Total questions: 140

Worksheet time: 1hrs 13mins

Name
Class
Date
1.
The letter "A" in this illustration is called what on a wave?
a)
Amplitude
b)
Frequency
c)
Hertz
d)
Wavelength
2.
The distance from any point on a wave to an identical point on the next wave
a)
frequency
b)
wavelength
c)
wave speed
d)
amplitude
3.

What do we call the top of a transverse wave?

a)

crest

b)

trough

c)

amplitude

d)

frequency

4.
What do we call the bottom of a transverse wave?
a)
crest
b)
trough
c)
wavelength
d)
amplitude
5.
A wave can make a leaf bob up and down on the water, but it cannot move the leaf toward the shore. This is because waves only transfer
a)
matter.   
b)
energy.     
c)
media. 
d)
crests.
6.
A wave in which the particles of the medium vibrate parallel to the direction of the wave motion
a)
mechanical wave
b)
surface wave
c)
longitudinal wave
d)
wave
7.
What type of wave is pictured?
a)
Transversal
b)
Longitudinal
c)
Surface
d)
Seismic
8.
What do we call the part of a longitudinal wave that is spread apart?
a)
compression
b)
rarefaction
c)
crest
d)
trough
9.
How would a person measure the wavelength on this sound wave?
a)
dense to less dense
b)
trough to crest
c)
compression to compression
d)
beginning of illustration to the end
10.

The units for frequency are _____________.

a)

hertz

b)

seconds

c)

m/s

d)

m

11.

What is frequency?

a)

the number of cycles per second

b)

how tall the wave is

c)

the distance from crest to crest

d)

the back and forth movement of matter

12.

This word refers to any substance that a wave is travelling through.

a)

Refraction

b)

Medium

c)

Vibration

d)

Oscilloscope

13.

What kind of interference is shown?

a)

Diffractive

b)

Constructive

c)

Destructive

d)

Reflective

14.

The unit for speed is ________

a)

hertz

b)

seconds

c)

m/s

d)

m

15.

This is the only thing that determines how fast a wave moves.

a)

The frequency of the source

b)

The medium the wave travels through

c)

The amplitude of the wave

d)

How far away the waves are spaced out

16.

As the frequency of a wave decreases, the wavelength will...

a)

Increase

b)

Decrease

c)

Stay the same

17.

The waves above are all traveling in the same medium. Which one is moving the fastest?

a)

blue wave

b)

green wave

c)

yellow wave

d)

red wave

e)

they're all traveling at the same speed

18.

In which medium does the wave move faster?

a)

Deep Water

b)

Shallow Water

c)

Same speed in both

19.
A wave in which the particles of the medium vibrate parallel to the direction of the wave motion
a)
mechanical wave
b)
surface wave
c)
longitudinal wave
d)
wave
20.
How would a person measure the wavelength on this sound wave?
a)
dense to less dense
b)
trough to crest
c)
compression to compression
d)
beginning of illustration to the end
21.

Pitch to a musician is ___________ to a physicist.

a)

frequency

b)

amplitude

c)

speed

d)

volume

22.

The units for frequency are _____________.

a)

hertz

b)

seconds

c)

m/s

d)

m

23.
What happens when you increase the amplitude of a sound?
a)
it makes the sound louder
b)
it makes the sound travel faster
c)
it increases the wavelength of the sound
d)
it increases the frequency of the sound
24.
Which is the approximate range of human hearing?
a)
5-5,000 Hz
b)
500-20,000 Hz
c)
20-20,000  Hz
d)
20-5,000 Hz
25.
This word refers to any substance that sound can travel through.  Sound can travel through solids, liquids, and gases.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
26.

What is the approximate speed of sound in air at 20o C?

a)

150 miles/hours

b)

344 meters/second

c)

3,000 meters/second

d)

600 miles/second

27.

When two sound waves in phase combine to produce a louder sound.

a)

Resonance

b)

Constructive Interference

c)

Doppler Effect

d)

Destructive Interference

28.

The two sound waves below combine. What does the resulting wave sound like?

a)

Louder

b)

High pitched

c)

Silence

d)

low pitched

29.

The Doppler effect can cause a perceived change in...

a)

loudness

b)

intensity

c)

frequency

d)

resonance

30.
As a sound source approaches and then moves past a stationary observer, the observer will hear
a)
a steady rise in pitch
b)
a sudden drop in pitch
c)
a drop in pitch, then a rise in pitch
d)
a rise in pitch, then a drop in pitch
31.

A shockwave from a plane

a)

occurs just once as the plane's speed goes above Mach 1.

b)

is formed continuously as the plane is traveling above Mach 1.

c)

is only formed at high altitude.

d)

is only formed when atmospheric conditions permit.

32.

A 244 Hz tuning fork is played at the same time as a guitar string and a beat frequency of 2 Hz is heard. What are the two possible frequencies of the guitar string?

a)

246 Hz

b)

244 Hz

c)

242 Hz

d)

122 Hz

33.

This string is vibrating in the ____ harmonic mode.

a)

1st

b)

2nd

c)

3rd

d)

4th

34.

Which of the following is an example of sound waves interfering with one another? (select all that apply)

a)

Beats

b)

Noise-cancelling headphones

c)

Shock waves

d)

The Doppler Effect

35.

Sound travels the fastest in

a)

solids

b)

liquids

c)

gasses

d)

a vacuum

36.

This picture shows

a)

a string in the 1st harmonic

b)

a string in the 2nd harmonic

c)

an air column in the 1st harmonic

d)

an air column in the 2nd harmonic

37.

What is the wavelength of the wave in this air column?

a)

L/2

b)

L

c)

2L

d)

4L

38.

The fundamental frequency of a boomwhacker is 250 Hz. What is the frequency of the 4th harmonic?

a)

125 Hz

b)

250 Hz

c)

500 Hz

d)

1000 Hz

39.

When your eye looks at cyan, which cones are detecting light?

a)

red and blue

b)

green and blue

c)

red and green

d)

yellow and magenta

40.

Primary colors of light or of pigment?

a)

Light

b)

Pigment

41.

The colors on the right are the primary colors of

a)

pigment

b)

light

c)

addition

d)

polarizers

42.

In which stripe are the most number of pixels on a TV emitting light?

a)

white

b)

black

c)

C, M, or Y

d)

R, G, or B

43.

Which pixels are lit to create magenta?

a)

red and green

b)

green and blue

c)

red and blue

d)

magenta

44.

Which of these waves travel fastest?

a)

radio waves

b)

gamma rays

c)

visible light

d)

all the same

45.

Where is sound on this graphic?

a)

below radio waves

b)

above gamma rays

c)

in the middle

d)

it doesn't belong on this graphic

46.

Which of the following has the highest frequency?

a)

red light

b)

green light

c)

blue light

d)

microwaves

47.

This is a...

a)

lunar eclipse

b)

solar eclipse

c)

earth shadow

d)

shadow the hedgehog

48.

This picture is from a tie-dye kit. What should the colors have been labeled?

a)

blue, yellow, red

b)

blue, yellow, fuchsia

c)

cyan, yellow, magenta

d)

cyan, yellow, red

49.

Mixing yellow and magenta paint will make what color?

a)

yellow

b)

blue

c)

red

d)

cyan

50.

Mixing cyan, magenta, and yellow paint makes

a)

white

b)

black

51.

What is the complementary (opposite) color of blue?

a)

red

b)

green

c)

magenta

d)

yellow

52.

Your wifi router has a frequency of 2.4E9 Hz. How long is the wavelength?

a)

1.25 m

b)

12.5 m

c)

0.125 m

d)

1250 m

53.

The longest visible wavelength is about 700 nm (700E-9 m). What is the frequency of this color?

a)

2.1E10 Hz

b)

4.3E14 Hz

c)

2.1E6 Hz

d)

4.3E9 Hz

54.

Neptune is 30 times as far away from the Sun as the Earth is. Compared to the intensity of sunlight on Earth, the intensity of sunlight on Neptune is...

a)

900 times brighter

b)

30 times brighter

c)

the same

d)

1/30 as bright

e)

1/900 as bright

55.

Sirius is 8.9 light years from earth. How long does it take light to get from Sirius to earth?

a)

4521 days

b)

93.8 months

c)

532 million seconds

d)

8.9 years

56.

Which of the following EM waves has the shortest wavelength?

a)

microwaves

b)

visible light

c)

ultraviolet

d)

infrared

57.

Which of the following EM waves has the highest frequency?

a)

radio waves

b)

visible light

c)

x-rays

d)

infrared

58.

Which of the following colors of light is scattered the most by the Earth's atmosphere?

a)

red

b)

green

c)

blue

59.

Two polarizers are placed perpendicular to each other. What % of light passes through?

a)

100%

b)

50%

c)

25%

d)

0%

60.

Which of these glasses will block the glare from a smooth lake while you're fishing?

a)

A

b)

B

c)

both

61.

Which of these glasses should Spiderman wear climbing up the Empire State building?

a)

A

b)

B

c)

both

62.

What is the third color from the left?

a)

Cyan

b)

Blue

c)

Magenta

d)

Green

63.

This reflection is

a)

specular.

b)

diffuse.

64.

Your image behind a plane mirror is at a distance equal to

a)

half your height

b)

half your distance from the mirror

c)

your distance in front of the mirror

d)

slightly more than your distance in front of the mirror

65.

Images in a plane mirror are

a)

real & upright

b)

real & inverted

c)

virtual & upright

d)

virtual & inverted

66.

When a ball is dropped straight down onto a flat surface, what is the angle of incidence?

a)

0 degrees

b)

45 degrees

c)

90 degrees

d)

180 degrees

67.

If you are standing 4 meters in front of a plane mirror, how far away is your image from YOU?

a)

2 m

b)

4 m

c)

8 m

d)

16 m

68.

The distance from the mirror to the Focal Point is...

a)

di

b)

do

c)

f

d)

2f

69.

The distance from the mirror to the Center of Curvature is...

a)

di

b)

do

c)

f

d)

2f

70.

This is a ________ mirror

a)

Converging

b)

Diverging

71.

This image is

a)

Real & upright

b)

Real & inverted

c)

Virtual & upright

d)

Virtual & inverted

72.

In this situation, the object distance is ______ and the image distance is _______

a)

+, +

b)

+, -

c)

-, +

d)

-, -

73.

The image formed by this diverging mirror is

a)

upright, smaller, real

b)

inverted, larger, virtual

c)

upright, smaller, virtual

d)

inverted, smaller, real

74.

The image formed by this converging mirror is

a)

upright, same size, virtual

b)

inverted, same size, real

c)

inverted, larger, virtual

d)

upright, smaller, real

75.

The image formed by this converging mirror is

a)

upright, same size, virtual.

b)

inverted, same size, real.

c)

upright, larger, virtual.

d)

inverted, smaller, real.

76.

A negative image distance means...

a)

The image is behind the mirror

b)

The image is real

c)

The image is inverted

d)

The image is larger

77.

A positive magnification (M) means that the image is...

a)

Upright

b)

Inverted

c)

Larger

d)

Smaller

e)

Same size

78.

Which of the reflections in the spoon is created by a converging mirror and which is a diverging mirror?

a)

The left is converging and the right is diverging

b)

The left is diverging and the right is converging

c)

They are both converging

d)

They are both diverging

79.

Diverging mirrors can also be called convex mirrors

a)

True

b)

False

80.

Is the image seen in The Bean in this picture real or virtual?

a)

Real

b)

Virtual

81.

Diverging mirrors can form real images

a)

True

b)

False

82.

What best describes this image?

a)

Upright, smaller, virtual

b)

Upright, larger, virtual

c)

Inverted, smaller, real

d)

Inverted, larger, real

83.

Real images can only be made by

a)

Converging mirroros

b)

Diverging mirrors

c)

Plane mirrors

84.

Converging mirrors can also be called concave mirrors

a)

True

b)

False

85.

In the image shown, where must the hands be located in reference to the mirror?

a)

Outside the center of curvature

b)

Outside the focal point

c)

Inside the focal point

d)

Behind the mirror

e)

Impossible to tell

86.

Refraction is the bending of light as it

a)

goes from one medium to another

b)

experiences a change in speed

c)

scatters off a surface

d)

bends around corners

87.

In which medium is the average speed of light the fastest?

a)

water

b)

glass

c)

diamond

d)

vacuum

88.

What is the line perpendicular to the surface of a material?

a)

incident ray

b)

reflected ray

c)

refracted ray

d)

normal

89.

What is incorrect about this picture?

a)

wrong measurement spots

b)

1 does not equal 2

c)

the arrows should go the other way

d)

1 should equal 2

90.

Why is the orange angle less than the red angle?

a)

air has a higher index than water

b)

water has a higher index than air

c)

it is just random

d)

more info is needed

91.

Based on this diagram, the speed of light is faster in...

a)

air

b)

water

c)

the speed of light is the same in both materials

92.

Which medium has the smaller index of refraction?

a)

Material 1

b)

Material 2

c)

The index is the same in both materials

93.

Light travels at 2×1082\times10^8  m/s in a certain plastic. What's the index of refraction in that material?

a)

1.00

b)

1.50

c)

0.66

d)

6.00

94.

Light goes from air to water (n = 1.33) at an angle of 35 degrees. What's the angle of refraction?

a)

14.2 degrees

b)

25.5 degrees

c)

35 degrees

d)

90 degrees

95.

Which of the following situations would make the angle of refraction zero degrees?

a)

The incident beam is at 0 degrees

b)

There is no normal

c)

The incident beam is at 90 degrees

d)

depends on on the materials

96.

Which of the following would result in TIR?

a)

Air to water

b)

Glass to air

c)

n = 1.0 to n = 1.33

d)

n = 1.0 to n = 1.51

97.

Why are there two normal lines in this picture?

a)

The light ray changes medium twice

b)

The light ray is undergoing TIR

c)

there is an error

98.

In what medium does light move the slowest?

a)

a

b)

b

c)

c

d)

light moves at the same speed in all 3

99.

What is happening at around a 60 degree incident beam?

a)

TIR

b)

Refraction

c)

Dispersion

100.

The phenomenon is known as

a)

Diffraction

b)

Displacement

c)

Dispersion

d)

Despacito

101.

Dispersion occurs because of

a)

Refraction

b)

Reflection

c)

Diffraction

102.

Which lens is a converging lens?

a)

a

b)

b

c)

neither of them

d)

both of them

103.

An image formed by a converging lens can be

a)

Inverted

b)

Virtual

c)

Real

d)

Smaller

e)

All of the other answers are correct

104.

An image formed by a diverging lens can be

a)

Inverted

b)

Virtual

c)

Real

d)

Larger

e)

All of the other answers are correct

105.

Describe the image formed by this lens

a)

Inverted, larger, real

b)

Inverted, smaller, real

c)

Upright, larger, virtual

d)

Upright, smaller, real

106.

Which of the following best explains how a rainbow forms?

a)

A cloud partially covers the light coming from the sun

b)

A rain drop circularly polarizes light which turns it into a rainbow

c)

Light refracts as it enters the raindrop then internally reflects

d)

A raindrop acts like a converging lens and focuses the light into a rainbow

107.

If you give two balloons the same charge, the balloons will:

a)

Be attracted to each other.

b)

Repel each other.

c)

Have no interaction.

d)

Not enough information is given to determine what will happen.

108.

When an object acquires a negative charge, it is generally from

a)

gaining electrons

b)

losing electrons

c)

gaining protons

d)

losing protons

109.

When strands of hair are brought near a charged rod:

a)

There is no interaction because the hair is not charged.

b)

There is no interaction because the hair is too heavy to move.

c)

There is attraction because the hair becomes polarized

d)

There is repulsion because the hair becomes polarized

110.

When an object acquires a positive charge, it is generally from

a)

gaining electrons

b)

losing electrons

c)

gaining protons

d)

losing protons

111.

The process by which charges separate in a neutral object is called...

a)

Induction

b)

Polarization

c)

Electrophorous

d)

Grounding

112.

When you rub a balloon on your hair, both the balloon and the hair become charged by

a)

friction

b)

polarization

c)

contact

d)

induction

113.

What is it called when an object gains a charge when touched by a charged object?

a)

Induction

b)

Polarization

c)

Contact

d)

Grounding

114.

What is it called when an object is discharged?

a)

Induction

b)

Polarization

c)

Conduction

d)

Grounding

115.

Which of the following is not a way to charge an object?

a)

Friction

b)

Induction

c)

Polarization

d)

Contact

116.

Which of the following statements is NOT correct about the strength of the electric force between two charged objects?

a)

It increases if one of the charges increases.

b)

It increases if the distance between the charges increases.

c)

It increases if both of the charges increase.

d)

It increases if the distance between the charges decreases.

117.

If two charges have an electric force F between them and one of the charges is doubled, the force will be:

a)

Halved

b)

The same.

c)

Doubled

d)

Quadrupled.

118.

If two charges have an electric force F between them and the distance between them is halved, the force will be:

a)

Halved

b)

The same.

c)

Doubled

d)

Quadrupled

119.

The unit for electric charge is:

a)

Coulombs

b)

Joules

c)

Newtons

d)

Volts

120.

An object has an EXCESS of  4×10184\times10^{18} electrons. What is the net charge of the object?

a)

+0.64+0.64  C 

b)

−0.64-0.64  C 

c)

+6.4×1037+6.4\times10^{37}  C 

d)

−6.4×1037-6.4\times10^{37^{ }}  C 

121.

Current is

a)

the same in all circuit elements in a series circuit.

b)

the rate of flow of charge.

c)

measured in amperes.

d)

All of the above are true.

122.

The variable used for current is

a)

C

b)

A

c)

I

d)

V

123.

If you need 3.0 V and you have two 1.5 V batteries

a)

wire them in series.

b)

wire them in parallel.

124.

Electrical resistance is measured in

a)

amperes (A)

b)

coulombs (C)

c)

volts (V)

d)

Ω (ohms)

125.

Why are household circuits wired in parallel?

a)

All devices need to consume the same amount of power.

b)

All devices need the same amount of current.

c)

All devices need to operate independently of each other.

d)

All devices need the same amount of resistance.

126.

As resistors are added to a series circuit, the total resistance

a)

increases.

b)

decreases.

c)

stays the same.

127.

Resistors in series will have the same

a)

current

b)

voltage

c)

resistance

128.

What is the current through a 240 Ω resistor connected to 120 V?

a)

2 A

b)

0.5 A

c)

240 A

d)

120 A

129.

What is the voltage drop across a 100 Ω resistor with 4 amps of current flowing through it?

a)

25 V

b)

0.004 V

c)

400 V

d)

none of the above

130.

What is the resistance of a lamp operating at 120 V and using 0.5 A of current?

a)

240 Ω

b)

60 Ω

c)

0.5 Ω

d)

120.5 Ω

131.

What is the equivalent resistance of three 120 Ω resistors wired in parallel?

a)

120 Ω

b)

360 Ω

c)

40 Ω

d)

60 Ω

132.

What is the equivalent resistance of three 120 Ω resistors wired in series?

a)

120 Ω

b)

360 Ω

c)

40 Ω

d)

60 Ω

133.

The equivalent resistance of resistors in parallel is always

a)

greater than the smallest resistor.

b)

smaller than the smallest resistance.

c)

greater than the greatest resistance.

d)

none of the above

134.

How much power is consumed by a light bulb connected to 10 V with 4 A running through it?

a)

40 J

b)

40 W

c)

2.5 J

d)

2.5 W

135.

What is the total resistance?

a)

4 Ω

b)

13 Ω

c)

6 Ω

d)

2 Ω

136.

What is the current through the 4 Ω resistor?

a)

1 A

b)

2 A

c)

3 A

d)

6 A

137.

What is the voltage across the 3 Ω resistor?

a)

6 V

b)

3 V

c)

1 V

d)

2 V

138.

Voltage is measured in

a)

Volts

b)

Ohms

c)

Amperes

d)

Coulombs

139.

Resistors in a parallel circuit will have the same

a)

current

b)

voltage

c)

resistance

140.

How much does it cost to leave your 1500 W space heater on for 4 hours a day for 30 days if it costs $0.10 per kW-hr?

a)

$6

b)

$18

c)

$45

d)

$18,000

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