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Worksheets5-21-2019 PHYSICS SPRING FINAL REVIEW
Total questions: 204
Worksheet time: 4hrs 13mins
Name
Class
Date
1.
Harry Potter waved his .23 m wand with .069 Nm of torque. How much force did Harry apply to rotate his wand?
a)
.4
b)
.5
c)
.3
d)
.16
2.
Which represents the acceleration of the ball?
a)
A
b)
B
c)
C
d)
D
3.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?
What would the force between them be if the distance between them were doubled?
a)
9
b)
18
c)
72
d)
144
4.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?
What would the force between them be if the distance between them were doubled?
a)
9
b)
18
c)
72
d)
144
5.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were divided by 2?
What would the force between them be if the distance between them were divided by 2?
a)
9
b)
18
c)
72
d)
144
6.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if one of the masses were doubled?
What would the force between them be if one of the masses were doubled?
a)
9
b)
18
c)
72
d)
144
7.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if both of the masses were doubled?
What would the force between them be if both of the masses were doubled?
a)
9
b)
18
c)
72
d)
144
8.
You are moving a ball in a circle using 72 N of centripetal force. What would the force be if you doubled the radius of the circle.
a)
18 N
b)
36 N
c)
72 N
d)
144 N
9.
You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?
a)
Friction
b)
Centripetal Force
c)
Gravity
d)
Inertia
10.
Centrifugal force is a ______
a)
force that pushes you to the outside of a circle during uniform circular motion.
b)
fictitious force that is really just the linear momentum of an object in uniform circular motion.
c)
The force that keeps the planets in orbit
11.
Centripetal acceleration is ...
a)
Acceleration toward the center of a curved or circular path
b)
Acceleration toward the outside of a circle
c)
Vertical motion instead of horizontal motion
12.
Why do objects experience centripetal acceleration?
a)
Because they are speeding up as they move in a circle
b)
Because they are constantly changing direction and the net change is directed inward
c)
Because they are constantly changing both speed and direction
d)
Because when you have 100 people pedaling, you can speed up more easily.
13.
Which will produce more torque to loosen the lug nut?
a)
A
b)
B
c)
They are the same
14.
The amount of matter in an object
a)
mass
b)
weight
c)
inertia
d)
gravity
15.
What states that "every object in the universe attracts every other object"?
a)
Law of Universal Gravitation
b)
Newton's First Law of Motion
c)
My mother
d)
Inertia & gravity
16.
Which of the following is Newton's Law on Gravitation?
a)
F=Gm1m2/r
b)
F = Gm1m2/r2
c)
F = Gm1m2/2r
d)
F = m1m2/2r
17.
The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.
a)
gravity
b)
friction
c)
a strong force
d)
electromagnetic force
18.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and matter
c)
distance and weight
d)
weight and mass
19.
If I double the distance between two objects, what happens to their gravitational Force?
a)
4x bigger
b)
4x smaller
c)
2x bigger
d)
2x smaller
20.
If I double the mass of one object, but don't change anything else... WHat happens to the gravitational force between two objects?
a)
Doubles
b)
Quadruples
c)
Cut in Half
d)
4x Smaller
21.
What happens to Gravitational force if I double both of the masses but don't change their distance?
a)
doubles
b)
half as big
c)
4x bigger
d)
4x smaller
22.
What happens to Gravitational force if I double both of the masses but don't change their distance?
a)
doubles
b)
half as big
c)
4x bigger
d)
4x smaller
23.
Two like charges
a)
neutralize each other.
b)
repel each other.
c)
must be neutrons.
d)
attract each other.
24.
The charge of an electron is
a)
positive.
b)
negative.
c)
Electrons have no charge
25.
An atom loses an electron. What type of charge does it have now?
a)
positive
b)
negative
26.
An atom loses an electron. What type of charge does it have now?
a)
positive
b)
negative
27.
An atom gains an electron. What type of charge does it have now?
a)
positive
b)
negative
c)
No charge
28.
An atom gains an electron. What type of charge does it have now?
a)
positive
b)
negative
c)
No charge
29.
When a balloon is rubbed on clothes it acquires a charge by ___________
a)
Induction
b)
reduction
c)
friction
d)
concuction
30.
Where do electrons go when you rub a balloon on your hair?
a)
Onto the balloon
b)
Into your hair
c)
Nowhere
31.
After you rub a balloon on your hair, what charge does the balloon have?
a)
Positive
b)
Negative
c)
Neutral
32.
After you rub a balloon on your hair, what charge does your hair have?
a)
Positive
b)
Negative
c)
Neutral
33.
When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?
a)
they are removed from the rod
b)
they are added to the rod
34.
What do you call the process of charging a conductor by bringing it near another charged object?
a)
induction
b)
polarization
c)
neutralization
d)
conduction
35.
Which of the following is not a good conductor of electricity?
a)
copper
b)
silver
c)
Glass
d)
aluminum
36.
Which of the following is not a good insulator?
a)
Copper
b)
Glass
c)
rubber
d)
wool
37.
The law of conservation of charge states that...
a)
all atoms have more protons than electrons
b)
only protons can be rubbed off of an atom
c)
charge cannot be created or destroyed
d)
charge cannot be transferred
38.
assume a rubber rod is rubbed against a rabbit fur and gains 5 electrons. which of the following is true?
a)
The fur lost 5 electrons
b)
the fur gained 5 electrons
c)
the fur gained 5 protons
d)
The fur lost 2 electrons
39.
After a balloon is rubbed against wool, the two objects will ________ each other because they have ___________ charges
a)
attract; like
b)
attract, opposite
c)
repel; like
d)
repel; opposite
40.
Which electrostatics phenomena is shown in this picture?
a)
Contact
b)
Friction
c)
Grounding
d)
Electron Shifting
41.
Why does the child's hair stick up?
a)
The boy is grounded since he's at the bottom of the slide
b)
He gained a charge from the slide, and since he's not grounded, his hairs have the same charge so they repel one another
c)
He gained a charge from the slide, and since he's not grounded, his hairs have opposite charges so they repel one another
d)
When hair is neutral, some have a positive side and some have negative side, so they will attract to each other, making it stand up
42.
When a plastic rod is rubbed with wool, the wool acquires a positive charge because
a)
protons are transferred from the wool to the rod
b)
protons are transferred from the rod to the wool
c)
electrons are transferred from the rod to the wool
d)
electrons are transferred from the wool to the rod
43.
Grounding happens when...
a)
A neutral object comes into contact with another neutral object
b)
A charged object is rubbed against another charged object
c)
A neutral object touches a MASSIVE conductive object
d)
A charged object touches a MASSIVE conductive object
44.
Examine Before and After picture. Why do electrons move the way they did?
a)
This is grounding - electrons want to even out
b)
This is charging by contact - electrons go to the larger object
c)
This is charging by contact - electrons go from the object with less e- affinity to more e- affinity.
d)
This is charging by contact - electrons want to even out
45.
Examine the picture. What is true about it?
a)
Both objects are insulators
b)
Both objects are conductors
c)
Sphere is an insulator and person is a conductor
d)
Sphere is a conductor and person is an insulator
46.
What is the name of this device that is used to detect charges?
a)
beaker
b)
electroscope
c)
van de graff generator
d)
chargometer
47.
Which picture(s) is/are example(s) for Electrostatics?
a)
B, C, D
b)
B, C
c)
A, D
d)
A, B, C
48.
Like charges ........... each other,
unlike charges ............. each other.
unlike charges ............. each other.
a)
ATTRACT, REPEL
b)
REPEL, ATTRACT
c)
REVEAL, ATTACK
d)
LIKE, DISLIKE
49.
The unit of work is the ...
a)
joule
b)
force
50.
The unit of power is the...
a)
work
b)
watt
51.
You do 90 joules of work in 30 seconds. How much power have you generated?
a)
30 watts
b)
3 watts
c)
120 watts
d)
270 watts
52.
You move an 8-newton weight five meters in 4 seconds. How much power have you generated?
a)
160 watts
b)
10 watts
c)
6.4 watts
d)
17 watts
53.
Why do electricians always wrap wires in plastic?
a)
Plastic comes in many different colors
b)
Plastic is a good electrical conductor
c)
Plastic makes the wires easy to bend
d)
Plastic is a good electrical insulator
54.
Which of these materials is a good conductor of electricity?
a)
Rubber
b)
Metal
c)
Newspaper
d)
Glass
55.
A science class was completing an experiment on electrical circuits. Why did the bulb go out each time the switch was opened?
a)
Opening the switch broke the circuit
b)
The battery was probably going flat
c)
There was too much electricity flowing
d)
Opening the switch closed the circuit
56.
a)
Series circuit
b)
Incomplete circuit
c)
Parallel circuit
d)
Power source
57.
When there are several path for the current to follow
a)
Pathway
b)
Conductor
c)
Series circuit
d)
Parallel circuit
58.
The flow of electricity through a conductor
a)
Battery
b)
Current
c)
Static electricity
d)
Switch
60.
a)
Parallel circuit
b)
Series circuit
c)
Incomplete circuit
d)
Switch
60.
a)
Parallel circuit
b)
Series circuit
c)
Incomplete circuit
d)
Switch
61.
Series circuit
a)
A material that allows electricity to go through it
b)
Only one pathway for the electricity to flow
c)
A device which provides energy for a circuit
d)
More than one path for the electricity to flow
62.
What kind of circuit is this?
a)
series
b)
parallel
63.
Which statement is true about a series circuit?
a)
It has only one path for the electrical current to flow.
b)
It has many paths for the electrical current to flow.
c)
The electrical current gets stronger.
d)
The electrical current gets weaker.
64.
What kind of circuit is in the picture?
a)
Series circuit
b)
Simple circuit
c)
Complex circuit
d)
Parallel circuit
65.
The unit for current is the
a)
Volt
b)
Ohm
c)
Electron
d)
Amp
66.
What is the unit for resistance?
a)
Volts
b)
Amperes
c)
Ohms
68.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
68.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
69.
What resistance is needed to cause a 20A current flow because of a 100V battery?
a)
0.2Ώ
b)
2000Ώ
c)
120Ώ
d)
5Ώ
70.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
71.
What is the power of a 20V bulb with 5A through it?
a)
100W
b)
100V
c)
6.3W
d)
6.3A
73.
What voltage is needed to cause a 50A current flow through a 10Ω resistor?
a)
15V
b)
500V
c)
500 kV
d)
0.2V
73.
What voltage is needed to cause a 50A current flow through a 10Ω resistor?
a)
15V
b)
500V
c)
500 kV
d)
0.2V
74.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
75.
What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts
a)
15 Ohms
b)
4 Ohms
c)
0.3333 Ohms
d)
2 Ohms
76.
If current decreases, what has likely happened to resistance?
a)
It increased.
b)
It decreased.
c)
It stayed the same.
77.
When voltage goes up, what must also increase if other factors stay the same?
a)
Resistance
b)
Insulation
c)
Current
78.
Which is an advantage of a parallel circuit over a series circuit?
a)
If one bulb goes out, the other stays lit.
b)
The bulbs get dimmer as you add more.
c)
If one bulb goes out, all go out.
d)
It is prettier.
79.
Sound waves are also known as ----- waves.
a)
Compression
b)
Longitudinal
c)
Neither
d)
Both longitudinal and compression
80.
The distance from the beginning of one compression to the beginning of the next compression is called a -----
a)
Rarefaction
b)
Frequency
c)
Wavelength
d)
Compression
81.
Spread out areas or areas of decreased pressure on a sound wave are known as a ---
a)
Rarefaction
b)
Amplitude
c)
Compression
d)
Hertz
82.
The number of wavelengths that pass a fixed point each second is known as ----
a)
Hertz
b)
Amplitude
c)
Frequency
83.
The unit for measuring frequency is the ---
a)
Joule
b)
Hertz
c)
Gram
d)
Newton
84.
The measure of the amount of energy in a wave is ----
a)
Wavelength
b)
Hertz
c)
Frequency
d)
Amplitude
85.
The Tacoma Narrows Bridge, musical instruments, and crystal stemware are examples of -----
a)
Frequency
b)
Resonance
c)
Interference
d)
Speed
86.
The speed of sound depends on these two things:
a)
The type of medium and the temperature of the medium
b)
Speed of the medium and temperature of the medium
c)
Temperature of the medium and sound of the medium
d)
None of the above
87.
Sound waves travel the fastest through ---
a)
Liquids
b)
Gases
c)
Solids
88.
Which color of light is produced when all of the colors of visible light in the electromagnetic spectrum are combined?
a)
gray
b)
white
c)
black
89.
Visible light is which type of wave?
a)
seismic
b)
mechanical
c)
longitudinal
d)
electromagnetic
90.
Light waves are arranged in the electromagnetic spectrum by
a)
wavelength and brightness.
b)
speed and color.
c)
brightness and color.
d)
wavelength and frequency.
91.
An echo is a sound wave that has been
a)
absorbed.
b)
refracted.
c)
scattered.
d)
reflected
92.
Sound waves are what kind of wave?
a)
Longitudinal
b)
Transverse
c)
Surface
d)
Electromagnetic
93.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
94.
The Doppler effect can cause an apparent change in...
a)
loudness
b)
intensity
c)
pitch
d)
reasonance
95.
Bats use ________ TO LOCATE MOSQUITOES IN THE AIR.
a)
solar
b)
ecology
c)
echolocation
d)
evolution
96.
The distance between one crest and the next crest is the wave's
a)
amplitude
b)
wavelength
c)
frequency
d)
speed
97.
the number of complete waves that pass a point in a certain amount of time is a wave's
a)
amplitude
b)
frequency
c)
wavelength
d)
speed
98.
The bending of a wave due to a change in its speed is
a)
interference
b)
reflection
c)
diffraction
d)
refraction
99.
The interaction between waves that meet is
a)
reflection
b)
diffraction
c)
refraction
d)
interference
100.
A point of zero amplitude on a standing wave is called a
a)
crest
b)
node
c)
trough
d)
antinode
101.
The electromagnetic waves with the longest wavelengths and lowest frequencies are
a)
radio waves.
b)
infrared rays.
c)
X-rays.
d)
gammy rays.
102.
If the wavelength increased, what would happen to the sound made by this wave?
a)
it would get softer
b)
it would get louder
c)
it would have a lower pitch
d)
It would have a higher pitch
103.
True or false: The angle of incidence equals the angle of reflection.
a)
True
b)
false
104.
Concave or Convex?
a)
Concave
b)
Convex
105.
The bending of a wave as it travels from one medium to another and as a result changes speed is called
a)
reflection
b)
refraction
c)
diffraction
d)
interference
106.
Sound will usually travel the fastest in a ____________.
a)
vacuum
b)
solid
c)
liquid
d)
gas
107.
What word describes the number of waves that pass a certain point in a given amount of time?
a)
rarefactions
b)
amplitude
c)
resonance
d)
frequency
108.
The bending of a wave around the edge of a barrier is called
a)
reflection
b)
diffraction
c)
interference
d)
refraction
109.
Two waves combining to form a wave with a larger amplitude results in
a)
constructive interference
b)
destructive interference
110.
The bouncing back of a wave when it hits a surface through which it can NOT pass is called —
a)
rarefaction
b)
reflection
c)
diffraction
d)
refraction
111.
lowest part of a wave
a)
crest
b)
trough
c)
wavelength
d)
amplitude
113.
top part of a wave
a)
crest
b)
trough
c)
wavelength
d)
amplitude
113.
top part of a wave
a)
crest
b)
trough
c)
wavelength
d)
amplitude
114.
When a wave moves parallel to the direction that the wave travels, it is a
a)
longitudinal
b)
transverse
115.
The material through which a wave travels is called the —
a)
medium
b)
matter
c)
substance
d)
vacuum
116.
Which travels faster: sound or light?
a)
light
b)
sound
117.
As the wavelength of a sound wave increases, the frequency
a)
decreases
b)
increases
118.
The Tacoma Narrows Bridge was opened to traffic on July 1, 1940 and collapsed on November 7, 1940. One theory created for the bridge's failure is that the pressure of the wind caused the natural frequencies of the bridge to move. This condition is called —
a)
amplification
b)
reflection
c)
diffraction
d)
resonance
119.
How does light travel?
a)
longitudinal wave
b)
transverse wave
120.
Which electromagnetic wave has the shortest wavelength?
a)
radio
b)
gamma
c)
visible
122.
As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's
a)
concussion.
b)
amplitude.
c)
reflection.
d)
frequency.
122.
As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's
a)
concussion.
b)
amplitude.
c)
reflection.
d)
frequency.
123.
When comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?
a)
Wave A and B have the same amplitude, but wave B (black) has a lower pitch.
b)
Wave A and B have the same amplitude, but Wave A has a lower pitch.
c)
Wave A and B have the same pitch, but Wave A is a softer sound.
d)
Wave A and B have the same pitch, but Wave B is a softer sound.
124.
What does pitch depend on?
a)
amplitude
b)
frequency
c)
intensity
d)
volume of sound
125.
When a sound is louder what measurement gets bigger?
a)
Frequency
b)
Amplitude
c)
Wavelength
d)
Crest
126.
Sound is a form of _________________ that travels as waves through a ________________.
a)
light/ transparency
b)
energy/ vibration
c)
energy/ medium
d)
frequency/ medium
127.
Wavelength x Frequency =
a)
Wave Speed
b)
Velocity
c)
Amplitude
d)
Crest height
128.
If a wave has more amplitude
a)
it has less energy
b)
it has more energy
c)
energy isn't affected
d)
the sound is quieter
129.
As frequency decreases
a)
wavelength gets faster
b)
wavelength stays the same
c)
wavelength is taller
d)
wavelength increases
130.
Sound Waves Move faster in what temperature
a)
Heat
b)
Cold
c)
Doesn't Matter
d)
Both
131.
What state of matter allows sound to travel the slowest?
a)
Solid
b)
Liquid
c)
Gas
d)
Doesn't Matter
132.
Which window is opaque?
a)
Window 1
b)
Window 2
c)
Window 3
d)
None
133.
This diagram best represents
a)
reflection
b)
refraction
c)
absorption
d)
diffusion
134.
What is the ray of light that strikes the surface.
a)
Incident ray
b)
reflected ray
c)
normal ray
d)
normal
135.
....................... - the imaginary line perpendicular to the surface.
a)
Normal
b)
Angle of incidence
c)
Angle of reflection
136.
....................... - the imaginary line perpendicular to the surface.
a)
Normal
b)
Angle of incidence
c)
Angle of reflection
137.
........... – the angle between the normal and the reflected ray.
a)
Angle of incidence
b)
Angle of reflection
c)
Angle of coincidence
d)
Angle of direction
138.
What is B?
a)
Angle of incidence
b)
Angle of reflection
c)
Incident ray
d)
Reflected ray
139.
What is C?
a)
Angle of incidence
b)
Angle of reflection
c)
Incident ray
d)
Reflected ray
140.
What is E?
a)
Angle of incidence
b)
Angle of reflection
c)
Normal
d)
Reflect ray
141.
What is X?
a)
22.5°
b)
45°
c)
67.5°
d)
90°
142.
What does the word "converging" mean?
a)
to separate
b)
to come together
c)
parallel
d)
perpendicular
143.
A converging lens is also known as a ____ lens.
a)
convex
b)
concave
c)
double
d)
refracted
144.
_____ is a lens that is thicker in the middle and makes an object appear bigger.
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
145.
What are the primary colors of the pigment?
a)
cyan, yellow and magenta
b)
Red, green and blue
c)
black and white
146.
An actorś red shirt and blue pants both appear black. What color is the stage light shining on the actor?
a)
Blue
b)
Red
c)
Magenta
d)
Green
147.
A plane mirror produces a/an
a)
a small, real image
b)
a large, real image
c)
a small, virtual image
d)
a same sized, virtual image
148.
_______ mirrors can form either a virtual or a real image
a)
concave mirrors
b)
convex mirrors
c)
plane mirrors
149.
Convex Mirrors produce...
a)
only virtual images
b)
virtual or real images
c)
only real images
d)
inverted images
150.
Real images are :
a)
Always inverted
b)
Magnified or Diminished
c)
can be obtained on screen
d)
all the above
151.
Virtual Images are
a)
Always erect
b)
can be obtained on screen
c)
magnified or diminished
d)
all the above
152.
convex mirrors are
a)
plane mirrors
b)
converging mirrors
c)
diverging mirrors
d)
smaller than concave mirrors
153.
A student is conducting an experiment with four different types of mirrors. Which mirror in the experiment converges light and UP CLOSE, produces an upright, magnified image of the candles? (hint: no two mirrors are the same)
a)
mirror 1
b)
mirror 2
c)
mirror 3
d)
mirror 4
154.
A student is conducting an experiment with four different types of mirrors. Which mirror in the experiment is a convex mirror?
a)
mirror 1
b)
mirror 2
c)
mirror 3
d)
mirror 4
155.
A dentist uses a small dental mirror to help magnify teeth in your mouth. What type of mirror is this?
a)
a convex mirror
b)
a concave mirror
c)
a convex lens
d)
a concave lens
156.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
157.
A student is 2.50m away from a convex lens while her image is 1.80m from the lens, what is the focal length?
a)
1.05m
b)
2.50m
c)
1.39m
d)
0.72m
159.
An object is placed at a distance of 27.0 cm away from a thin convex lens with a focal length of 9.00 cm. How far from the lens is the image located and what type of image is formed?
a)
13.5 cm and real
b)
3.00 cm and real
c)
0.33 cm and virtual
d)
0.15 cm and virtual
159.
An object is placed at a distance of 27.0 cm away from a thin convex lens with a focal length of 9.00 cm. How far from the lens is the image located and what type of image is formed?
a)
13.5 cm and real
b)
3.00 cm and real
c)
0.33 cm and virtual
d)
0.15 cm and virtual
160.
The above lens is a type of ___.
a)
diverging lens
b)
converging lens
c)
divergent lens
d)
convergent lens
161.
Which lens represents the path light takes through a diverging lens?
a)
b)
c)
d)
162.
Which figure represents the path light takes through a converging lens?
a)
b)
c)
d)
163.
A shopkeeper wants to keep an eye on his store in order to prevent shoplifting. What could the shopkeeper hang on the wall in order to see a wider image of his store and his customers?
a)
a convex mirror
b)
a concave mirror
c)
a convex lens
d)
a concave lens
164.
What type of lens is used in the shown instrument?
a)
concave lens
b)
convex lens
c)
reflection lens
d)
reduction lens
165.
What type of lens creates the image seen in the eyeglasses?
a)
convex
b)
concave
c)
reflection
d)
plane
166.
A lens that is thicker in the middle than on the outside is called ___.
a)
diverging
b)
concave
c)
convex
d)
achromatic
167.
A lens that is thinner in the middle than on the outside is called ___.
a)
diverging
b)
concave
c)
convex
d)
achromatic
168.
Clear glass, water, and air are examples of what kind of material?
a)
opaque
b)
fluid
c)
translucent
d)
transparent
169.
The speed of sound depends on _____.
a)
the loudness of the sound
b)
the pitch of the sound
c)
the source of the sound
d)
the properties of the medium it travels through
170.
What does it mean to reflect?
a)
bounce off
b)
bend
c)
refract
d)
energy
171.
What is this image an example of?
a)
Reflection
b)
Diffusion
c)
Refraction
172.
Why does the lower part of the child appear so much different in size from the upper part?
a)
The light rays that travel through water and then into air are refracted.
b)
The light rays that travel through water and then into air are enlarged.
c)
The light rays that travel through air and then into water are reflected.
d)
The light rays that travel through air and then into water are reduced.
173.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
174.
Which of the following electromagnetic waves has the longest wavelength?
a)
Infrared Waves
b)
Ultraviolet Rays
c)
Visible Light
d)
Gamma Rays
175.
As wavelength decreases in the electromagnetic spectrum the frequency _____.
a)
decreases
b)
stays the same
c)
increases
d)
doubles
176.
The following is a picture of what type of mirror?
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
177.
The following is a picture of what type of mirror?
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
178.
A real image having a size of 10 cm is formed by a concave mirror. The size of the object is 5 cm.The magnification of the object is
a)
-5
b)
5
c)
2
d)
-2
179.
An object is placed 10 cm from a convex mirror. Its image is formed 5 cm behind the mirror.The focal length of the given convex mirror is
a)
-5 cm
b)
5 cm
c)
10 cm
d)
-10cm
180.
Which terms describe the reflection seen in this image?
a)
virtual, upright
b)
virtual, inverted
c)
real, upright
d)
real, inverted
181.
You can calculate the speed of light using this formula.
a)
c = fλ
b)
c = λ/f
c)
c = f/λ
182.
Electromagnetic waves
a)
need a medium to travel through
b)
can travel through a vacuum.
c)
Are longitudinal.
183.
The speed of light in air is
a)
much faster than the speed of sound.
b)
about the same as the speed of sound.
c)
much slower than the speed of sound.
184.
rainbow
a)
light is reflected
b)
light is refracted
c)
light is absorbed
185.
This is an example of a _____________ mirror
a)
Concave
b)
Convex
c)
Plane
d)
Magnifying
186.
Concave mirrors can create virtual and real images.
a)
True
b)
False
187.
Convex mirrors can create real images.
a)
True
b)
False
188.
Plane mirrors always produce ______
a)
Real images
b)
Virtual Images
189.
Which type of mirror magnifies a close up image, like a make-up mirror.
a)
Concave
b)
Convex
c)
Specular
d)
Plane
190.
Which type of mirror is shown.
a)
Concave
b)
Convex
c)
Specular
d)
Plane
191.
When an object is placed on the focal point in front of a convex lens, the image produced is ___.
a)
real, reduced, and inverted
b)
real, enlarged, and inverted
c)
real, true, and inverted
d)
There is no image
192.
When an object is placed between the focal point and the convex lens, the image produced is ___.
a)
real, reduced, and inverted
b)
real, enlarged, and inverted
c)
virtual, enlarged, and upright
d)
virtual, reduced, and upright
193.
Where can an object be placed in front of a concave lens in order to produce a "no image"?
a)
On the focal point.
b)
This is not possible for a concave lens.
c)
Between the lens and the focal point.
d)
Beyond the focal point.
194.
In the formula 1/f=1/do +1/di, the variable "do" refers to _____.
a)
the object distance from the lens
b)
the image distance from the lens
c)
the object height
d)
the image height
195.
In the formula 1/f = 1/do + 1/di, the variable "di" refers to _____.
a)
the object distance from the lens
b)
the image distance from the lens
c)
the object height
d)
the image height
196.
In the formula m = hi/ho, the variable "m" refers to ___.
a)
the height of the image
b)
the height of the object
c)
the focal point
d)
how reduced or enlarged the image is compared to the object
197.
In the formula m = hi/ho, if the variable "hi" is negative, that implies that the image is ___.
a)
true
b)
upright
c)
inverted
d)
reduced
198.
If the focal point is a negative number, the lens is _____.
a)
convex
b)
concave
c)
virtual
d)
real
199.
When the variable "di" is a negative number, the image is ____.
a)
upright
b)
inverted
c)
virtual
d)
real
200.
When an object is placed at 2f in front of a convex lens, the image will be ___.
a)
real, reduced, and inverted
b)
real, same size, and inverted
c)
real, enlarged, and inverted
d)
virtual, enlarged, and upright
201.
A converging lens has a focal length of 30 cm. A 5 cm tall candle is placed at a distance of 10 cm in front of the lens. Determine the image distance.
a)
- 45 cm
b)
-30 cm
c)
-15 cm
d)
6 cm
202.
An object of height 4 cm is placed 10 cm away from a concave lens of focal length 6 cm as shown below.Image is
a)
virtual.inverted
b)
virtual,upright
c)
real,inverted
d)
real,upright
203.
What type of lens do humans have in their eyes?
a)
Concave Lens
b)
Convex Lens
204.
An object is located 15 m from a converging lens with focal length 10 m.If the object is 2 cm tall, find the image height if the image is located at 30 m.
a)
4 m
b)
-4m
c)
1m
d)
-1m
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