Interference

InterferenceInterference of WavesWhen waves ______ at the same place at the same time, ________________ occurs

Constructive interference - When _____________ parts of a wave _________ Ex: crest/crest, compression/compression_________ on each otherAlso called reinforcement or ___ _________

-when the _____________ parts of a wave __________________ _______ ________ _________Crest/trough, compression/rarefactionAlso called _____ ___ ___________

Destructive interference

Unit 6 Waves/SoundResonance when the frequency of a _______ vibration on an object matches the ___________ frequency of that object._______s effect that results when __ _________of slightly different frequencies are sounded _____________.Some __________ (louder) and some _____________ (softer)

Beats

440 Hz

445 Hz

Beats

ResonanceOne Result of SuperpositionStanding Wave: ____ __________travelling in ___________ directions with the same _______________ and ____________

Standing WavesThe ___________ conditions and s________ of waves determine which ____________ are allowed.The ends of the __________ cavity have forced _________ or _____________9Closed at One EndLAntinodeNode