PSYCH 255 Study Guide - Quiz Guide: Jackhammer, Fourier Analysis, Basilar Membrane
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I"ll ask you what the physical stimulus is that causes the perception of sound. I"ll ask you what the speed of sound is in air. I"ll ask you to draw two sine waves that differ in frequency (or amplitude) I"ll ask you to give two examples of advantages that hearing has over vision. Hearing happens 360, you can hear behind you, around corners and obstacles that would block light. I"ll ask you what happened with boyle"s jar experiment. He sucked all the air out of a jar and noticed that a ringing bell inside could no longer be heard; demonstrating that sound waves need a medium. I"ll ask you what the difference is between a pure tone and a complex tone e. Pure tones: single frequency vibration (akin to a grating) Complex tones: mixture of pure tones (akin to a picture) f. g.
