Totten: Wave Interactions Review 1 Question Preview (ID: 41521)
Waves Interact With Other Objects And With Each Other.
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_____ is when an object or wave bounces back from a surface it cannot go through.
a) refraction
b) reflection
c) diffraction
d) resonance
when a wave enters a new medium at an angle, one side moves slower causing the wave to bend
a) refraction
b) reflection
c) diffraction
d) standing wave
When 2 waves meet crest to crest or trough to trough - amplitude increases
a) reflection
b) diffraction
c) constructive interference
d) destructive interference
when a wave goes around a barrier or through narrow opening, IT BENDS AND SPREADS OUT
a) standing wave
b) reflection
c) destructive interference
d) diffraction
when 2 waves meet CREST to TROUGH, Amplitude decreases
a) destructive interference
b) constructive interference
c) diffraction
d) resonance
an increase in amplitude that occurs when external vibrations MATCH an object's natural frequency
a) diffraction
b) resonance
c) constructive interference
d) refraction
a wave that appears to stand still, but is really 2 waves interfering as they pass through each other
a) standing wave
b) constructive interference
c) refraction
d) resonance
A wave with crest of 18 meters meets a wave with a trough of 6 meters, at the point where they meet what will remain?
a) a crest of 24 meters
b) a trough of 12 meters
c) a crest of 12 meters
d)
2 waves meet in constructive interference. The first wave has an amplitude of 1.5 meters. The second has an amplitude of 4.5 meters. What will be the amplitude where they meet?
a) 3.0 meters
b) 6 meters
c) 0 meters
d)
In the 1985 earthquake in Mexico City, what caused buildings 8 to 18 stories high, to crumble?
a) resonance
b) diffraction
c) reflected waves
d) tsunami
In a reflected wave, if the angle of incidence is 45 degrees, what is the angle of reflection?
a) 90 degrees
b) 0 degrees
c) 45 degrees, they are always equal
d)
In a standing wave, what is the name of the points at 0 amplitude?
a) antinodes
b) nodes
c) crests
d)
In a standing wave, what are the points at maximum amplitude?
a) antinodes
b) nodes
c) constructive points
d)
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