18. Waves & Sound
Standing Waves
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ANSWERS OPTIONS
A
i) λ = 0.75 m ii) f = 53.3 Hz
B
i) λ = 0.75 m ii) f = 106.6 Hz
C
i) λ = 1.5 m ii) f = 53.3 Hz
D
i) λ = 1.5 m ii) f = 106.6 Hz
A copper cable is tied between two trees. The horizontal distance between the two trees is 3 m. The transverse waves travel at a speed of 80 m/s along the taut cable. Calculate the i) wavelength and ii) frequency of the third overtone.