lect546_s06 - 1. What is the different ways to increase the...

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Unformatted text preview: 1. What is the different ways to increase the fundamental frequency of a note played on a guitar string? 2. An automobile sounding its horn is moving toward you at a constant speed. How does the frequency you hear compare with that heard by the driver? 3. Why dont we hear beat when adjacent keys on a piano are hit at the same time? 1. You can tune the frequency of a guitar string without changing its length. To tune a flute, however, you have to slightly adjust the length of the tube. How do you account for this difference? 2. Electronic signal generators can produce pure sound frequencies with great precision. Why then is it so difficult to make an electronic piano that sounds like an acoustic piano? 1. Why is the low E-string on a guitar made of thicker wire that the high-E string? 2. Billy and Elaine are holding electric buzzers that sound at slightly different frequencies. When they are both standing still, the two buzzers produce the beat frequency of 4 hertz. Elaine begins to run away, and Billy hears the beat frequency gradually increase. Whose buzzer has the higher frequency? Explain. Static Electricity Is all the charge the same or it is possible that there is more than one type?there is more than one type?...
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This note was uploaded on 05/05/2009 for the course PHYSICS 1002 taught by Professor Borovitskaya,elena during the Spring '09 term at Temple.

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lect546_s06 - 1. What is the different ways to increase the...

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