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AN#Sc#2011#5#Def
Science Topic 5 Definitions 2011
Question | Answer |
---|---|
Compressions | Particles move closer together |
Rarefactions | Particles spread further apart |
Longitudinal waves | Waves in the direction traveling |
Transverse waves | Waves at right angles to the direction of travel |
Progressive waves | Move energy from one place to another |
Standing waves | Identical waves in opposite directions |
Crest | Top of a wave |
Trough | Bottom of a wave |
Amplitude | Distance from normal position to crest/trough |
Displacement | Distance from crest to trough |
Wavelength | Distance between 2 crests |
Frequency | Number of waves in a certain time |