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06/11/2021 4:08 pm
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(a) Name four ways in which sound can be produced.
(b) Calculate the speed of a sound wave whose frequency is 2 kHz and wavelength 65 cm.
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06/11/2021 4:10 pm
(a) Following are the ways in which sound can be produced:
(i) by vibrating the strings
(ii) by vibrating membranes
(iii) by vibrating the plates
(b) Speed of sound wave = (frequency)(wavelength)
Frequency, f = 2 kHz
Wavelength, λ = 65 cm = 0.65 m
Therefore, speed = 1300 m/s