wave test !!!!!!!!!!!!
The wavelength of a transverse waves is often measured from (Crest to crest, Crest to trough)
Crest to crest
a reflected sound wave is called
echo
a high musical note has a higher wavelength than a low note
fals
the amplitiude of sound is its highness or lowness
fals
refraction
the bending of waves as they enter a new medium at an angle
diffraction
the bending of waves as they move around a barrier or pass through an cpening
all waves obey the law of reflection
true
all waves change speed when they enter a new medium, but they don't always bend. When does bending occur
Bending occurs only when the wave enters the new medium at an angle !
Waves with a lower wavelength have a (lower, higher) frequency and waves with shorter wavelength have (lower , higher) frequency
Lower, higher
Waves with greater amplitude carry (more , less ) Energy thin waves with smaller amplitude
More
what is sound
a disturbancs that travels through a medium
what is loudness
describes you perception of the energy of a sound
the bending of waves around the edge of a barrier id known as
diffaction
sound waves can travel ithout a medium (true or false)
false
a police car with siren on moves toward you
higer
a train with a band playing moves toward you
higer
sound waves meet and interact with each other
interference
when two wave meet , they interat. This interaction is called
interference
what happens when a wave passes a barrier or moves through a hole in a barrier
it bends and spreads out
what happens when a wave a wave passes a barrier or moves through a hole in a barrier
it bends and spred out
a plice car with siren on moves away from you
lower
a train with a band playing moves away from you
lower
the amplitude of a wave can be measured the (medium, Crest) or the (trough, wavelength) to the rest position of the waves medium
medium , wavelength
what happens when a wave moves from one medium into another medium at an angle
one side of the wave changes speed the other side causing the wave to bend
loudness
perception of energy of a sound
pitch
perception of the frequency of a sound
sound wave bounce back from surfaces
reflection
the bouncing back of a wave when it hits a surface through which it cannot pass is called
reflection
the bending of waves as they enter a different medium is called
refraction
diffraction
soud waves bend and spread out
the bending of a wave entering a new medium occurs because the two sides of the wave are traveling at different
speed
the bending of a wave entering a new medium occurs because the two sides of the wave are traveling at different
speeds
reflection
the bouncing back of an object or wave when it hits a surface through which it cannot pass
doppler effect
the change in freuency of a wave as its source moves in relation to an observer
what does the law of reflection state
the law states that the angle of incidence equals the angle of reflection
a rearefaction is the area of a sound wave where paricles areless dense
true
sound travels more slowly through gases than it does through liquids
true
a sound wave begins with a
vibration
does sound travel faster through air or through water
water
