1.

A stationary wave is given by y = 5 sin (pix)/3 cos 40 pit, where x and y are in cm and t in seconds. What are the amplitude and velocity of the component waves superposition can give this vibration.

Answer»

2.5 CM, `1.2 MS^(-1)`
`1 cm, 2.5 ms^(-1)`
`1.5 cm, 2.5 ms^(-1)`
`2 cm, 3.5 ms^(-1)`

ANSWER :A


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