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Concepts Of Physics MCQ Edition [Volume 1]PhysicsWave Motion and Waves on a String

A mechanical wave travels in a medium along the X -axis. The particles of the medium

Options

  1. Amust move along the X -axis
  2. Bmust move along the Y -axis
  3. Cmay move along the X -axis
  4. Dmay move along the Y -axis

Correct answer

D. may move along the Y -axis

Step-by-step solution

A mechanical wave can be either longitudinal or transverse. For a longitudinal wave travelling along the X -axis, the particles of the medium oscillate parallel to the direction of propagation, which is along the X -axis. For a transverse wave travelling along the X -axis, the particles of the medium oscillate perpendicular to the direction of propagation, which can be along the Y -axis or Z -axis. Thus, the particles may move along the X -axis or may move along the Y -axis.

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