Warm up 1/27-28 Copy Question explain your answer

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Presentation transcript:

Warm up 1/27-28 Copy Question explain your answer Stick one medium with another, will the wave transfer over? What do you think will happen?

Wave interaction/interference I sense a disturbance...

Mediums and changes in mediums A wave is traveling down a medium and hits a boundary. At this point one medium transfers to another

Mediums and changes in mediums the wave travels down medium and hits boundary Boundary is hit and the wave is reflected back and transmitted down the medium The transmitted pulse is upright, the reflected pulse is inverted

How waves interact: AKA interference Constructive Interference : When a wave has the same amplitude position Destructive Interference: When two waves meet and have opposite amplitudes

constructive interference Waves with same amplitude meet Adds together to make a greater amplitude

destructive interference Waves with opposite amplitudes meet Waves meet and create smaller waves Wave keep moving along medium

Wave Speed Velocity = Wavelength X Frequency Wave Speed: speed at which a wave travels Speed of a wave depends on medium it is traveling through Velocity = Wavelength X Frequency