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When a wave passes through a medium, wha...

When a wave passes through a medium, what type of motion do the particles execute ?

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**Step-by-Step Solution:** 1. **Understanding Waves and Mediums:** - When a wave travels through a medium (like water, air, or a solid), it causes the particles of that medium to move. 2. **Particle Motion in a Wave:** - The particles of the medium do not travel with the wave itself; instead, they oscillate around their equilibrium or mean position. 3. **Type of Motion:** - The motion that these particles execute is known as **Simple Harmonic Motion (SHM)**. 4. **Characteristics of Simple Harmonic Motion:** - In SHM, the restoring force acting on the particles is directly proportional to the displacement from their mean position and acts in the opposite direction. This results in oscillatory motion. 5. **Conclusion:** - Therefore, when a wave passes through a medium, the particles execute **simple harmonic motion** about their mean position. ---
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