Ch. 14 Waves Concept Review

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Presentation transcript:

Ch. 14 Waves Concept Review Milbank High School

Parts of a wave Crest Wavelength Amplitude Origin Trough

Parts of Wave - p.372 Origin - the base line of the energy. Crest - high point on a wave Trough - Low point on a wave Amplitude - distance from origin to crest Wavelength - distance from crest to crest Wavelength is abbreviated by the Greek letter lambda = l

Transverse Waves SIM Amplitude SIM

Which one of these waves has a larger amplitude?

Wavelength Wavelength (λ) λ SIM SIM2 λ The distance from any point on one wave to that same point on the next wave λ SIM SIM2 λ

Which one of these waves has a larger wavelength (λ)?

Frequency Frequency SIM The number of waves (or cycles) produced in a given amount of time SIM

Which one of these waves has a higher frequency?

Reflection SIM SIM2 Reflection When a wave bounces back after striking a barrier SIM SIM2

Diffraction SIM SIM2 Diffraction The bending of waves around a barrier or through an opening. SIM SIM2

Sound waves are reflected at a boundary.

More Stuff… Points on wave don’t move What determines how much of a wave is reflected?