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# waves; exam

### helps with studying for your test :)

a disturbance that transfers energy from place to place is called... a wave
mechanical waves are created when a source of energy cause a medium to... move
the speed of a wave is its wavelength multiplied by its... frequency
the bending of waves due to a change in speed is called... refraction
the bending of waves around the edge of a barrier is known as... diffraction
the interaction between two waves that meet is called... interference
waves combine to make a wave with larger amplitude in a process called... constructive interference
when an incoming wave combines with a reflected wave in such a way that the combined wave appears to be standing still, the result is a... standing wave
what occurs when vibrations traveling through an object match the object's natural frequency... resonance
a wave travels through a medium because... energy passes from particle to particle
mechanical waves are classified according to... how they move
frequency is measured in units called... hertz or hz
when a wave hits a surface through which it cannot pass, it ____ off the object... reflects
waves combine to produce a smaller or zero-amplitude wave in a process called... destructive interference
why do you see lightning from a distant storm before you hear thunder... because the speed of light is faster than the speed of sound
compressions and rarefractions are characteristics of what type of wave... longitudinal waves
the distance between two consecutive crests of a wave is called... wavelength
a wave with a frequency of ten hz has a wavelength of five meters, what speed is the wave traveling... fifty m/s
the speed of a wave is forty m/s, if the wavelength of the wave is five meters, what is the frequency of the wave... eight hz
a wave has a frequency of twenty hz and a velocity of ten m/, what is the wavelength of this wave... .five meters
sound travels as what type of wave... longitudinal
the speed of sound will travel faster in what, warmer or colder temperatures... warmer
Created by: allison.tate