Waves
If the speed of a wave doubles as it passes from shallow water into deeper water, its wavelength will be
Doubled
Which pair of terms best describes light waves traveling from the Sun to Earth
Electromagnetic and transverse
What is the distance between two consecutive points in phase on a wave called
wavelength
crest to crest
constructive interference
As the phase difference between two superposed waves changes from 180* to 90*, the amount of destructive interference
decreases
trough to trough
destructive interference
a wave spreads into the region behind teh barrier. This phenomenon is called
diffraction
which characteristic of a wave is always changed whenever a wave is reflected, refracted, or diffracted
direction of travel.
If the period of a wave is doubled, its wavelength will be
doubled
The number of water waves passing a given point each second is a measure of the wave's
frequency
the number of water waves passing given point each second is teh wave's
frequency
refraction is caused by a change in teh wave's
speed
which characteristic of a wave changes as the wave travels across a boundary between two different media
speed
a single pulse in a unifirm medium transfers
standing waves
The speed of a wave is determined by
-the properties of the medium
maximum constructive interference will occur at points where the phase difference between the two waves is
0*
Maximum destructive interference will occur between two waves where their phase difference is
180
The microphone is moved to a new fixed location .50meter in front of the speaker. Compared to the sound waves detected at the 1m position, the sound waves detected at the .50 meter position have a different
Amplitude
How are electromagnetic waves that are produced by oscillating charges and sound waves that are produced by oscillating tuning forks similar
Both have the same frequency as their respective ones
A periodic wave transfers
Energy only
Waves/second=
Frequency
Increasing the amplitude of a sound wave produces a sound with
Greater loudness
Radio waves diffract around buildings more than light waves because compared to light waves, radio waves
Have a longer wavelength
A source of waves and an observer are moving relative to each other. The observed will detect a steadily increasing frequency if
He accelerates toward the source
Which form(s) of energy can be transmitted through a vacuum
Light only
As viewed from Earth the light from a star has lower frequencies than light emitted by a star because the star is
Moving away from Earth
When observed from Earth, the wavelengths of light emitted by a star are shifted toward the red end for the electromagnetic spectrum. This redshift occurs because the star is
Moving away from Earth
Waves pass through 10cm opening in a barrier which is being diffracted. This observation provides evidence that the wavelength of the wave is
Much shorter than 10cm
Standing waves in water are produced most often by periodic water waves
Reflecting from a barrier
The diagram below represents two waves of equal amplitude and frequency approaching point P as they move through the same medium. As the two waves pass through each other, the medium at Point P will
Remain stationary
If the amplitude of a wave in a rope is doubled, the speed of the wave in the rope
Remains the same
SOFA
Slow, Fast, Away
In a vacuum, all electromagnetic waves have the same
Speed
Radio waves and gamma rays traveling in space have the same
Speed
Which quantity is equivalent to the product of the absolute index of refraction of water and the speed of light in water
Speed of light in a vacuum
What happens to the frequency and the speed of an electromagnetic wave as it passes from air into glass
The frequency remains the same and the speed decreases
The superposition of two waves in the same medium produces a standing wave pattern if the two waves have
The same frequency, the same amplitude, and travel in opposite directions
A wave is diffracted as it passes through an opening in a barrier. The amount of diffraction that the wave undergoes depends on
Wavelength of the incident wave and the size of the opening
Two waves traveling in the same medium and having the same wavelength interfere to create a standing wave. What is the distance between two consecutive nodes on this standing she
Wavelength/2
A series of pulses generated at regular time intervals in an elastic medium will produce
a periodic wave
light travels fastest in
air, vacuum
the water wave that will transfer the greatest amount of energy is teh water wave that has the greatest
amplitude
As a wave travels into a medium in which its speed increases, its wavelength
increases As a wave crosses a boundary into a new medium, its speed and wavelength change while its frequency remains the same. If the speed increases, then the wavelength must increase as well in order to maintain the same frequency.
two pulses are traveling along a string toward each other. Which phenomenon will occur as the pulses meet?
interference
which phenomenon must offer when two or more waves pass simultaneously through the same region in a medium
interference
is a disturbance is parallel to the direction of travel of a wave, the wave is classified as
longitudinal
waves transfer energy between two points with no transfer of
mass
A sound of constant frequency is produced by the siren on top of a firehouse. Compared to the frequency produced by the siren, the frequency observed by the firefighter is
Higher
As teh energy imparted to a mechanical wave increases, the maximum displacement of the particles in the medium
increases
as the period of a wave decreases, the wave's frequency
increases
as the amplitude of a periodic wave increases, its wavelength
remains the same
Which wave phenomenon occurs when vibrations in one object cause vibration in a second object
resonance
which wave requires a medium for transmission ?
sound
which is an example of longitudinal wave
sound wave
sound travels fastest in
steel
a wave in which vibration is at right angles to the wave's direction of motion is called a
transverse wave
when it says electromatic wave
use the speed(velocity) of sound 3x10^8 m/s
Maximum constructive interference between two waves of the same frequency could occur when their phase difference is
wavelength
waves are in phase
waves are at the same point
frequency perceived increases
when object is closest to the person.