PHYS_2&12_Lab 2_Prelab

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Tufts University *

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002

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Physics

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Apr 3, 2024

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docx

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1

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Physics 2/12 Lab 2 Prelab Questions 1. Using the equations given in the lab manual, derive a relationship between tension T and harmonic number n , given a fixed frequency f and string length L . If you want to find standing wave with a higher harmonic number (more antinodes), should you increase or decrease the tension in the string? 2. Examine figures 5 and 6 in the lab manual. a. Explain specifically what characteristics of the two images reveal the high or low quality of a standing wave in this experiment. b. Based on the characteristics you have identified, which of the following would you say produces the “best” standing wave? Is there anything not included in the picture below that would help you make this decision? c. For the “best” standing wave image above, how many nodes are present in the mode? How many antinodes? What is the harmonic number n ?
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