The phase difference between two points separated by 1m in a wave of f – McqOptions

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1.	The phase difference between two points separated by 1m in a wave of frequency 120 Hz is \[{{90}^{o}}\]. The wave velocity is [KCET 1999]
A.	180 m/s
B.	240 m/s
C.	480 m/s
D.	720 m/s
Answer» D. 720 m/s

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