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a guitar string is 75cm long. the wavelength of its fundamental note is

Physics
JAMB 1978

a guitar string is 75cm long. the wavelength of its fundamental note is

  • A. 75cm
  • B. 150cm
  • C. 37.5cm
  • D. 112cm
  • E. 50cm
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Correct Answer: Option B
Explanation

Wavelength = 2L = 2 X 75

Wavelength = 150

 

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