A particle of mass m is moving yz-plane with a uniform velocity v with its trajectory running parallel to +ve y-axis and intersecting z-axis at z=a. The change in its angular momentum about the origin as it bounces elastically from a wall at y= constant is

A particle of mass m is moving yz-plane with a uniform velocity v with

1.	A particle of mass m is moving yz-plane with a uniform velocity v with its trajectory running parallel to +ve y-axis and intersecting z-axis at z=a. The change in its angular momentum about the origin as it bounces elastically from a wall at y= constant is
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