JAMB - Physics (1978 - No. 33) | ExamPlay

JAMB - Physics (1978 - No. 33)

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

75cm

150cm

37.5cm

112cm

50cm

Giải thích

Wavelength = 2L = 2 X 75

Wavelength = 150

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