Question
A sound wave has a frequency of 500 Hz and wavelength of
0.68 m. What is the speed of sound?Solution
Wave speed is given by the formula: v = fλ Substitute f = 500 Hz, λ = 0.68 m: v = 500 × 0.68 = 340 m/s Thus, the speed of sound is 340 m/s.
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