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Physics Unit II

Sound

QuestionAnswer
Two waves traveling in the same medium interfere to produce a standing wave. What is the phase difference bwteen the two waves at a node? 180 degrees
The driver of a car blows the horn as the car approaches a crosswalk. Compared to the actual pitch of the horn, the pitch observed by a pedestrian in the crosswalk is what? Higher
A wave completes one vibration as it moves a distance of 2 meters at a speed of 20 meters per second. What is the frequency of the wave? 20 Hertz
In a demonstration, a vibrating tuning fork causes a nearby second tuning fork to begin to vibrate with the same frequency. Which wave phenomenon is illustrated by this demonstration? Resonance
An electric quitar is generating a sound of constant frequency. An increase in which sound wave charateristic would result in an increase in loudness? Period
Created by: cmcmillen13