ism_chapter_16 - Chapter 16 Superposition and Standing...

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1231 Chapter 16 Superposition and Standing Waves Conceptual Problems *1 •• Picture the Problem We can use the speeds of the pulses to determine their positions at the given times. 2 •• Picture the Problem We can use the speeds of the pulses to determine their positions at the given times. 3 Determine the Concept Beats are a consequence of the alternating constructive and destructive interference of waves due to slightly different frequencies. The amplitudes of the waves play no role in producing the beats. correct. is ) ( c 4 ( a ) True. The harmonics for a string fixed at both ends are integral multiples of the frequency of the fundamental mode (first harmonic). ( b ) True. The harmonics for a string fixed at both ends are integral multiples of the
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