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Worksheets2019-Conceptual Physics Semester 2 Final Review
Total questions: 90
Worksheet time: 2hrs 56mins
Name
Class
Date
1.
Calculate the PE of a 2 kg cat perched 10 meters above the ground.
a)
20 J
b)
200 J
c)
2.04 J
d)
200 W
2.
Calculate the Kinetic Energy (KE) of a girl whose mass is 50 kg who is moving at 4 m/s.
a)
200 J
b)
800 J
c)
400 J
d)
100 J
3.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
4.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
5.
Work is:
a)
A transfer of energy by a force to move and object
b)
Something you get paid for
c)
Something you take home
d)
Makes you sweat
6.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
7.
The formula for work is:
a)
d = r x t
b)
p = m x v
c)
f = m x a
d)
w = d x f
8.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
9.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
10.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
11.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
12.
A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision?
a)
5 m/s
b)
2.5 m/s
c)
10 m/s
d)
7.5 m/s
13.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
14.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
15.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
16.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
17.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
18.
The units for Impulse are
a)
N/s
b)
N·s
c)
N
d)
m/s
19.
can a bullet have the same momentum a truck?
a)
yes
b)
no
20.
When the speed of an object is doubled, its momentum...
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles.
c)
quadruples.
d)
decreases.
21.
The total momentum before a collision is _________ the total momentum after a collision.
a)
equal to
b)
less than
c)
more than
d)
It depends on the type of collision
22.
A 5 N force is applied to a 3 kg ball to change its velocity from 9 m/s to 3 m/s. What is the impulse on the ball?
a)
-2.5 N⋅s
b)
-10 N⋅s
c)
-18 N⋅s
d)
-45 N⋅s
23.
Juan observed a collision in a lab where the kinetic energy after the collision was equal to the kinetic energy before the collision. This type of collision is
a)
Inelastic
b)
Elastic
c)
Explosion
24.
When is momentum conserved in a collision?
a)
When the collision is inelastic.
b)
When the collision is elastic.
c)
When the collision is inelastic OR elastic but never an explosion.
d)
All collisions.
25.
Extending the time of a collision allows you to...
a)
change the impulse of the collision.
b)
diffuse the collision.
c)
increase the force of impact.
d)
decrease the force of impact.
26.
The purpose of crumble zones on a car is to
a)
decrease time of impact.
b)
increase force of impact.
c)
increase the time of impact.
d)
decrease the impulse during impact.
27.
Waves move ___ through vibrations
a)
Energy
b)
Matter
c)
Mass
d)
Weight
28.
Longitudinal waves are ______.
a)
Parallel
b)
Perpendicular
c)
Crazy
29.
Transverse waves are ___.
a)
Parallel
b)
Perpendicular
c)
Weird
30.
Which is the wavelength?
a)
1
b)
2
c)
3
d)
4
31.
If the frequency gets higher, the wavelength gets
a)
longer
b)
shorter
32.
The pitch of the sound depends on
a)
frequency
b)
amplitude
c)
wavelength
33.
The loudness of the sound depends on
a)
wavelength
b)
amplitude
c)
frequency
34.
Which EM wave has the lowest frequency?
a)
radio
b)
xray
c)
gamma
d)
infrared
35.
Which EM wave has the longest wavelength?
a)
light
b)
radio
c)
ultraviolet
d)
red
36.
Is refracting light bending or bouncing?
a)
bending
b)
bouncing
37.
A blue tshirt looks blue because of ___.
a)
reflection
b)
refraction
c)
diffraction
38.
Rainbows are ______ light.
a)
Refracting
b)
Reflecting
c)
Diffracting
d)
Absorbing
39.
Which color has the lowest frequency?
a)
red
b)
green
c)
blue
d)
violet
40.
How often a wave occurs is the wave's __________________
a)
crest
b)
frequency
c)
wavelength
d)
resting point
41.
The distance between 2 corresponding parts of a wave (example- crest to crest) is its _____________________
a)
trough
b)
frequency
c)
amplitude
d)
wavelength
42.
The frequency of a wave is measured in __________________.
a)
inches
b)
hertz
c)
periods
d)
eras
43.
Any material that a wave travels through is called a ____________________.
a)
vibration
b)
compression
c)
medium
d)
crest
44.
What are the highest parts of a transverse wave called?
a)
amplitude
b)
trough
c)
resting point
d)
crest
45.
In longitudinal waves, the parts where the coils are spread apart are called what?
a)
rarefactions
b)
compressions
c)
mechanicals
d)
longitudes
46.
In a longitudinal wave, the parts where the coils are close together are called what?
a)
longitudes
b)
rarefactions
c)
compressions
d)
contractions
47.
This is the unit used to measure the volume of a sound.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
48.
This is what you get when sound waves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
49.
The speed of a sound wave depends on
a)
the frequency
b)
the medium
c)
both air temperature and medium
d)
the air temperature
50.
The Doppler effect can cause an apparent change in...
a)
loudness
b)
intensity
c)
pitch
d)
reasonance
51.
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
52.
True or False: Can sound travel through a vacuum (space).
a)
True
b)
False
53.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
54.
What unit is the intensity of sound measured in?
a)
decibels (dB)
b)
Hertz (Hz)
c)
meters per second (m/s)
d)
meters
55.
One end of the rope is vibrated to produce a wave with a wavelength of .25 m. The Frequency of the wave is 3.0 Hz. What is the speed of the wave?
a)
3.00 m/s
b)
2.50 m/s
c)
.75 m/s
d)
1.25 m/s
56.
How many waves are in this wave chain?
a)
6
b)
3
c)
4
d)
5
57.
A tennis coach paces back and forth along the sideline 10 times in 2 minutes. The frequency of her pacing is
a)
5 Hz
b)
5 s
c)
0.08 Hz
d)
0.08 s
58.
A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
59.
Constructive interference will cause the wave to
a)
Increase its displacement
b)
Decrease its displacement
c)
Make its displacement stay the same
60.
Destructive interference is
a)
When the two waves affect each other in a negative way
b)
The two waves add together and produce a single wave of greater amplitude
c)
Are in phase
61.
Which wave behavior do noise cancelling headphones use?
a)
diffraction
b)
refraction
c)
constructive interference
d)
destructive interference
62.
In a standing wave, destructive interference creates points of zero amplitude called nodes. Which letters represent this.
a)
A,E,F
b)
B,D,F
c)
B,C,D
d)
A,C,F
63.
In a standing wave, constructive interference creates larger amplitudes. The points of maximum amplitude are antinodes. The letters for these are?
a)
B,C,D
b)
A,E,F
c)
A,C,F
d)
B,D,E
64.
Resonance occurs when
a)
an object is forced to vibrate at its natural frequency.
b)
sound changes speed in going from one medium to another.
c)
the amplitude of a wave is amplified.
d)
sound makes multiple reflections
65.
The image describes what kind of interference?
a)
constructive
b)
destructive
c)
both, resulting in a beat
d)
none, resulting in a beat
66.
An interaction that occurs when 2 waves meet is known as what?
a)
Diffraction
b)
Standing wave
c)
Interference
d)
Resonance
67.
Long sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
68.
Short sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
69.
The Doppler effect is seen when a wave-making source moves toward an observer.
a)
True
b)
False
70.
Latif wakes up one morning and sees that it is foggy outside. Which term best describes the fog he sees?
a)
opaque
b)
reflective
c)
translucent
d)
transparent
71.
Habib looks around his classroom at different objects. Which object reflects almost all of the light that strikes it?
a)
a white poster board
b)
clear window class
c)
a red book cover
d)
black construction paper
72.
During a thunderstorm, Sanjay saw lightning and then heard thunder 5 s later. Why does he see the lightning before he hears the thunder?
a)
He would have seen the lightning and heard the thunder at the same time.
b)
Sound travels faster than light.
c)
Light travels faster than sound.
d)
There is no reason.
73.
Snell's Law describes the relationship between the ________ angle and the _______ angle of waves passing through two different media
a)
incident - reflected
b)
incident - refracted
c)
incident - bounced
d)
answer is not here
74.
If light travels from a lower to a higher index of refraction medium the light will
a)
bend away from the normal
b)
bend towards the normal
c)
not bend
d)
answer is not here
75.
In the diagram, which letter represents the angle of incidence?
a)
A
b)
B
c)
C
d)
D
76.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
77.
A converging lens is also known as a ____ lens.
a)
convex
b)
concave
c)
double
d)
refracted
78.
A diverging lens is also known as a ____lens.
a)
refracted
b)
diffracted
c)
convex
d)
concave
79.
Is a convex lens thicker or thinner in the middle?
a)
Thicker
b)
Thinner
80.
Is a convex lens thicker or thinner in the middle?
a)
Thicker
b)
Thinner
81.
Which window is opaque?
a)
Window 1
b)
Window 2
c)
Window 3
d)
None
82.
This diagram best represents
a)
reflection
b)
refraction
c)
absorption
d)
diffusion
83.
a mirror with a surface that curves inward like the inside of a bowl
a)
concave mirror
b)
convex mirror
c)
plane mirror
d)
flat mirror
84.
this type of mirror is used in supermarkets to see around bends
a)
concave
b)
convex
c)
plane
d)
window
85.
What is the correct order of the colors of the rainbow?
a)
Red, Yellow, Orange, Blue, Indigo, Violet
b)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
c)
Yellow, Orange, Red, Green, Blue, Violet, Indigo
86.
The three primary colors of light are
a)
Red, Blue, Yellow
b)
Pink, Green, Blue
c)
Violet, Green, Red
d)
Blue, Green, Red
87.
Objects that ABSORB all colors of light will appear _______.
a)
white
b)
black
c)
multi-colored
d)
gray
88.
If you are using a green color filter, what color will you only see?
a)
blue
b)
green
c)
white
d)
red
89.
If you are using a red color filter, blue objects will appear what color?
a)
purple
b)
blue
c)
red
d)
black
90.
What two colors make purple?
a)
Red and White
b)
Red and Blue
c)
Red and Green
d)
Red and Black
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