The phase difference between two points separated by 1m in a wave of frequency 120 Hz is o 90 . The wave velocity is (a) 180 m/s (b) 240 m/s (c) 480 m/s (d) 720 m/s
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The phase difference between two points separated by $0.8 \mathrm{~m}$ in a wave of frequency $120 \mathrm{~Hz}$ is $0.5 \pi$. The wave velocity is (a) $144 \mathrm{~m} / \mathrm{s}$ (b) $256 \mathrm{~m} / \mathrm{s}$ (c) $384 \mathrm{~m} / \mathrm{s}$ (d) $720 \mathrm{~m} / \mathrm{s}$
The phase difference between two points separated by 1m in a wave of frequency 120 Hz is 90 degree . The wave velocity is
Aakash G.
The phase difference between two points separated by $0.8 \mathrm{~m}$ in a wave of frequency $120 \mathrm{~Hz}$ is $0.5 \pi$. The wave velocity is (a) $144 \mathrm{~ms}^{-1}$ (b) $384 \mathrm{~ms}^{-1}$ (c) $256 \mathrm{~ms}^{-1}$ (d) $720 \mathrm{~ms}^{-1}$
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