Mechanical Waves Intersecting

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Presentation transcript:

Mechanical Waves Intersecting 8.P.3A.4

Waves Intersecting Waves interfere with each other. Interference may be constructive. A crest will interfere with another crest constructively to produce a larger crest and a trough will interfere to produce a larger trough. Compressions interfere constructively with each other as do rarefactions.

Waves Intersecting

Waves Intersecting Interference may be destructive. A crest will interfere with a trough to lessen or cancel the displacement of each. Compressions interfere with rarefactions to lessen or cancel the displacement of each.

Waves Intersecting

Waves Intersecting Sound waves interfere with each other changing what you hear. Destructive interference makes sounds quieter. Constructive interference makes sounds louder. Sound waves reflect in tubes or some musical instruments to produce standing waves which reinforce sound through constructive interference to make the sound louder.

Waves Intersecting

Today’s Activities Please construct a foldable including the definitions of the following terms: Refraction Prism/Diffraction Gratings Reflection Transmission Opaque Translucent Absorption