Worksheetsconceptual physics spring quizziz final exam review
Total questions: 82
Worksheet time: 46mins
The high point of a wave is called the _______.
Crest
Trough
Node
Amplitude
The low point of a wave is called the _______.
Trough
Crest
Node
Peak
The distance between successive identical points of a wave is called the _______.
Wavelength (λ)
Frequency (f)
Amplitude (A)
Period (T)
The number of vibrations an object makes in a unit of time is called _______.
Frequency
Amplitude
Wavelength
Velocity
The formula for frequency is _______.
Frequency = 1/period (T) or 1/T
Frequency = period (T) × 2
Frequency = period (T) + 1
Frequency = period (T) - 1
The distance from the midpoint to the crest (or trough) of the wave is called _______.
Amplitude
Wavelength
Frequency
Velocity
The unit of frequency is _______.
Hertz (Hz)
Newton (N)
Joule (J)
Watt (W)
The time it takes to complete one cycle is called the _______.
Period (T)
Frequency (f)
Amplitude (A)
Wavelength (λ)
A wave where the oscillations are perpendicular to the direction of the wave is called a _______.
Transverse wave
Longitudinal wave
Surface wave
Standing wave
A wave where the oscillations are parallel to the direction of the wave is called a _______.
Longitudinal wave
Transverse wave
Surface wave
Electromagnetic wave
When the crest of one wave overlaps the crest of another wave and their individual effects add together, it is called _______.
Constructive interference
Destructive interference
Diffraction
Reflection
When the crest of one wave overlaps the trough of another wave and their individual effects are reduced, it is called _______.
Deconstructive interference
Constructive interference
Resonance
Reflection
A wave that appears to stay in one place and does not seem to move through the medium is called a _______.
Standing wave
Transverse wave
Longitudinal wave
Surface wave
Stationary points on a standing wave are called _______.
Nodes
Antinodes
Crests
Troughs
The position on a standing wave with the largest amplitude is called _______.
Anti-nodes
Nodes
Crests
Troughs
What is a vibration?
A repeated back and forth motion
A constant upward movement
A circular spinning motion
A one-time jump
What is a wave?
A disturbance that is transmitted from one place to another without the transport of matter
A solid object that moves from one place to another
A type of energy that cannot travel through space
A force that pulls objects toward the Earth
Does a vibration or a wave spread out through space?
A wave spread out through space
A vibration remains in one place
A vibration spreads out through space
Neither a vibration nor a wave spread out through space
What is the period of a pendulum that takes one second to make a complete back and forth vibration?
(a)
Is a pendulum with a 1.5 second period longer or shorter than a pendulum with a 1 second period?
longer
shorter
the same length
cannot be determined
Label the parts of a wave shown in the diagram:
Amplitude, Wavelength, Crest, Trough (as labeled in the diagram)
Frequency, Crest, Amplitude, Node
Wavelength, Node, Frequency, Trough
Crest, Trough, Node, Frequency
What is the formula for the speed (velocity) of a wave?
v = λ / T or v = f × λ
v = λ × T or v = f / λ
v = T / λ or v = λ × f
v = f / T or v = λ + f
Define the following terms: Wavelength (λ), Crest, Trough, Amplitude.
Wavelength (λ): the length of one cycle of the wave. Crest: top peak. Trough: bottom peak. Amplitude: the maximum displacement from the rest position.
Wavelength (λ): the height of the wave. Crest: bottom peak. Trough: top peak. Amplitude: the distance between two crests.
Wavelength (λ): the time for one cycle. Crest: the midpoint. Trough: the maximum point. Amplitude: the length of the wave.
Wavelength (λ): the number of waves per second. Crest: the lowest point. Trough: the highest point. Amplitude: the speed of the wave.
If a wave has a frequency of 20 Hz and a wavelength of 5 m, what is its speed?
(a)
The amplitude of the wave shown in the graph is 4 cm.
True
False
What is the v if λ = 8 m and f = 20 Hz?
160 m/s
28 m/s
100 m/s
180 m/s
What is the λ if v = 50 m/s and f = 25 Hz?
λ = 2 m
λ = 0.5 m
λ = 25 m
λ = 75 m
What is the f if v = 50 m/s and λ = 10 m?
f = 5 Hz
f = 0.2 Hz
f = 500 Hz
f = 60 Hz
Use the information above to the graph questions below. Mark 1 cycle of the wave.
One cycle is from 0.75 m to 2.25 m (or any other full cycle on the graph).
One cycle is from 0 m to 1 m.
One cycle is from 1.5 m to 2.5 m.
One cycle is from 0.5 m to 1.0 m.
Starting at 0.75 m, where does the 2nd cycle end:
The 2nd cycle ends at 3.75 m.
The 2nd cycle ends at 2.75 m.
The 2nd cycle ends at 1.75 m.
The 2nd cycle ends at 4.75 m.
Use the information above to the graph questions below. Number of complete cycles:
There are 2 complete cycles in the graph.
There are 3 complete cycles in the graph.
There is 1 complete cycle in the graph.
There are 4 complete cycles in the graph.
Refer to the Position vs. Time graph above. Starting at 1.5 secs, when does half a cycle end?
Half a cycle from 1.5 sec ends at 2.5 sec.
Half a cycle from 1.5 sec ends at 3.5 sec.
Half a cycle from 1.5 sec ends at 1.0 sec.
Half a cycle from 1.5 sec ends at 4.0 sec.
Refer to the Position vs. Time graph above. Period:
The period is 2 seconds (time for one complete cycle).
The period is 1 second (time for one complete cycle).
The period is 4 seconds (time for one complete cycle).
The period is 0.5 seconds (time for one complete cycle).
Determine whether the following diagram will produce constructive, destructive, or complete destructive interference, and explain why. What is the height of the resulting amplitude?
Constructive interference; amplitude is doubled.
Destructive interference; amplitude is zero.
Complete destructive interference; amplitude is zero.
Constructive interference; amplitude is unchanged.
Determine whether the following diagram will produce constructive, destructive, or complete destructive interference, and explain why. What is the height of the resulting amplitude?
Constructive interference; amplitude is doubled.
Destructive interference; amplitude is zero.
Complete destructive interference; amplitude is zero.
Constructive interference; amplitude is unchanged.
Determine whether the following diagram will produce constructive, destructive, or complete destructive interference, and explain why. What is the height of the resulting amplitude?
Constructive interference; amplitude is doubled.
Destructive interference; amplitude is zero.
Complete destructive interference; amplitude is zero.
Constructive interference; amplitude is unchanged.
______ is a term that refers to how high or low sound frequencies appear to be.
pitch
tempo
volume
timbre
______ are sound waves with a frequency below 20 hertz.
infrasonic
ultrasonic
audible
supersonic
______ are sound waves with a frequency above 20,000 hertz.
ultrasonic
audible
infrasonic
radio
______ are regions of high pressure in a sound wave.
compression
rarefaction
reflection
diffraction
______ are regions of low pressure in a sound wave.
rarefaction
compression
reflection
diffraction
______ is a frequency at which an elastic, once energized, will vibrate.
natural frequency
resonance energy
critical mass
elastic limit
______ is the vibration of an object that is made to vibrate by another vibrating object that is nearby.
forced vibration
natural frequency
resonance
damping
______ is a phenomenon that occurs when the frequency of forced vibrations of an object matches the object's natural frequency and a dramatic increase in amplitude results.
resonance
diffraction
reflection
refraction
What is the definition of 'beats' in sound?
A type of musical rhythm
A periodic variation in the loudness of sound caused by interference when two tones of slightly different frequencies are sounded together
The speed of sound
The pitch of a sound
Sound is the movement of ________ waves (longitudinal waves) hitting our ears. These waves are alternating high and low pressure areas.
compression
transverse
electromagnetic
shear
What do speakers imitate to produce sound?
Light waves
Air and causing vibrations
Water waves
Electric current
On graphs, we use ________ and ________ to show high and low pressure.
crests, troughs
peaks, valleys
dots, dashes
lines, arrows
True or False: Sound can travel through the vacuum of space.
True
False
What part of the ear translates air pressure into electrical impulses that can be read by the brain?
Cochlea (inner ear)
Eardrum (tympanic membrane)
Auditory canal
Pinna (outer ear)
Humans can hear frequencies that are between _______ Hz and _______ Hz.
20, 20,000
2, 200
200, 2,000
200, 20,000
What type of frequencies do elephants and submarines use to communicate over long distances?
Dog whistles use ________ frequencies above human hearing (>20,000 Hz).
ultrasonic
subsonic
audible
infrared
Elasticity and shape determines the natural frequency of an object.
True
False
Volume and elasticity determines the natural frequency of an object.
True
False
Mass and shape determines the natural frequency of an object.
True
False
Volume and mass determines the natural frequency of an object.
True
False
The relationship between force vibrations and resonance is:
Force vibrations cause resonance when their frequency matches the natural frequency of an object.
Resonance causes force vibrations to stop.
Force vibrations and resonance are unrelated.
Resonance only occurs in the absence of force vibrations.
Why can a bell be set into resonance and tissue paper cannot?
Because a bell has a definite natural frequency and tissue paper does not.
Because tissue paper is heavier than a bell.
Because tissue paper is made of metal and a bell is not.
Because resonance only occurs in soft materials.
Which tuning fork has the longest wavelength?
225Hz
256Hz
320Hz
512Hz
Which tuning fork has the shortest wavelength?
512Hz
256Hz
128Hz
384Hz
Which tuning fork has the highest pitch?
512Hz
256Hz
128Hz
384Hz
Which tuning fork has the lowest pitch?
225Hz
256Hz
320Hz
512Hz
What is the source of all sound?
Vibrating object's
Light rays
Electric current
Magnetic field
How does pitch relate to frequency?
Light can travel through a vacuum, as is evidence when you can see the sun or the moon. Can sound travel through a vacuum also?
Sound requires a medium to travel through.
Sound can travel through a vacuum just like light.
Sound travels faster in a vacuum than in air.
Sound can only travel through liquids in a vacuum
How does the speed of sound in air compare with the speed in water and in steel?
Faster in water, and faster again in steel
Faster in air, and slower in steel
Slower in water, and slower again in steel
Same in air, water, and steel
Why is sound louder when a vibrating source is held to a sounding board?
Because the sounding board increases the surface area for vibration, amplifying the sound.
Because the sounding board absorbs the sound, making it louder.
Because the sounding board reduces the frequency of the sound.
Because the sounding board blocks the sound from escaping.
Is it possible for one sound wave to cancel another?
Yes, through destructive interference.
No, sound waves cannot cancel each other.
Only if the waves are of different frequencies.
Only in a vacuum.
________ are massless bundles of concentrated electromagnetic energy.
Photon
Electron
Proton
Neutron
A ________ is the distance light travels through a vacuum for one year.
Light year
Parsec
Astronomical unit
Kilometer
An ________ is a wave that is partly electric and partly magnetic and carries energy.
Electromagnetic wave
Sound wave
Seismic wave
Water wave
The ________ is the range of electromagnetic waves extending from radio waves to gamma rays.
Electromagnetic spectrum
Visible light
Infrared radiation
Ultraviolet rays
________ are electromagnetic waves of frequencies lower than the red of visible light.
Infrared
Ultraviolet
X-rays
Gamma rays
________ are electromagnetic waves of frequencies higher than those of violet light.
Ultraviolet
Infrared
Microwaves
Radio waves
________ is a term applied to materials that allow light to pass through them in a straight line.
Transparent
Opaque
Translucent
Reflective
________ is a term applied to material that absorbs light without reemission.
Opaque
Transparent
Translucent
Reflective
A ________ is a thin beam of light.
Ray
Block
Sheet
Drop
A ________ is a shaded region that results when light falls on an object and thus cannot reach the region on the far side of the object.
Shadow
Reflection
Mirror
Light beam
________ is a complete shadow.
Umbra
Penumbra
Antumbra
Corona
________ is a partial shadow.
Penumbra
Umbra
Corona
Antumbra
________ is the aligning of vibrations in a transverse wave, usually by filtering out waves of the other direction.
Polarization
Reflection
Diffraction
Refraction
