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two particle of medium disturbed by the wave propagation are at `x_(1)=0cm and x_(2)=1 cm`. The respective displacement (in cm) of the particles can be given by the equation:
`y_(1)=2 sin 3pi t, y_(2) sin (3pi t-pi//8)` the wave velocity is

A

16 cm/sec

B

24 cm/sec

C

12 cm/sec

D

8 cm/sec

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The correct Answer is:
B
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