A wave pulse is generated in a string th...

A wave pulse is generated in a string that lies along x- axis. At the points A and B, as shown in the figure, if `R_A and R_B` are the ratio of wave speed to the particle speed respectively then:

`R_A gt R_B`

`R_B gt R_A`

`R_A = R_B`

Information is not sufficient to decide.

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