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30 October, 15:41

A guitar string is 1.75 m. Calculate the wavelength of the 78th harmonic *

A) 78 m

B) 0.02 m

C) 0.04 m

D) 0 44.60

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Answers (1)
  1. 30 October, 15:58
    0
    0.04 m

    Explanation:

    The harmonic is given by λ = 2L/n were L = length of guitar string = 1.75 m and n = harmonic = 78.

    So, λ = 2L/n = λ = 2 * 1.75 m/78 = 0.044 m ≅ 0.04 m
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