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When a wave traverses a medium , the displacement of a particle located at $'x'$ at a time $'t'$ is given by $y=a \sin (bt-cx), where a,b and c are constants of the wave, which of the following is a quantity with dimensions?

\[\begin {array} {1 1} (1)\;y/a & \quad (2)\;bt \\ (3)\;cx & \quad (4)\;b/c \end {array}\]

1 Answer

(4) b/c
answered Nov 7, 2013 by pady_1

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