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The figure shows a snap photogaraph of a...

The figure shows a snap photogaraph of a vibrating string at t = 0. The particle P is observed moving up with velocity `2sqrt3` cm/s. The tangent at P makes an angle `60^@` with x-axis. The mass per unit length of string is 50 g/m

A

wave is moving along positive x-direction

B

The equation of the wave is `y = 0.4 sin(10 pi t - pi/2x)`

C

Total energy carried by the wave per cycle of the striiig is `1.6 xx 10^(-5)` J

D

The equation of the wave is `y= 4 mm sin (10 pit + pi/2 x + pi/4)`

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A, B, C, D
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