The graph below shows a section of a wave formed in a string. The numbers in the diagram show distances in cm. The speed of sound wave is 800 m/s. What is the wavelength, amplitude and frequency respectively?
A. Wavelength=20cm, Amplitude = - 4cm, Frequency =2000Hz respectively
B. Wavelength=30cm, Amplitude =4cm, Frequency =4000Hz respectively
C. Wavelength=10cm, Amplitude =-4cm, Frequency =2000Hz respectively
D. Wavelength=20cm, Amplitude = 4cm, Frequency =4000Hz respectively
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Answer:
option D) is correct. Use v=n(lamda) to find frequency and find wavelength and amplitude from graph
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Answer:
option d)
Hope it's correct
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