Standing Waves and Beats Practice Quizzes

# Standing Waves and Beats Practice Quizzes - Quiz 4A TA...

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TA Name (last) (first) |___|___|___ Rubric Codes : Student ID: ____________________ first 3 letters last name I certify by my signature that I will abide by the code of academic conduct of the University of California. Signature y ( x , t ) = A sin( 2 " t T ± 2 x # + \$ ) + y o ; = v wave f ; T = 1 f ; = d sin ; f beat = f 1 " f 2 ; f carrier = f 1 + f 2 2 1) Two guitar strings are fixed at both ends. One string is made of metal; the other is made of nylon. The metal string has length S 1 . The nylon string has length S 2 (which is shorter than S 1 ). However, both guitar strings, when plucked, make the exact same note (same frequency when vibrating at its fundamental frequency as shown to the right). Which string has the faster wave speed? (To receive credit, you must explain your answer .) 2) Two speakers are playing slightly different frequencies; therefore, we hear beats. If you could adjust one of f 1 = f 2

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Standing Waves and Beats Practice Quizzes - Quiz 4A TA...

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