Wave

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Last updated 9:30 AM on 8/21/26
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6 Terms

1
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How does sound waves travel in water

  1. Sound waves are longitudinal waves

  2. The displacement of water particles of medium is parallel to direction of wave propagation

  3. Transfer of energy is via changing pressure


2
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Why waves travel faster in water/solid than in air

Water molecules are more closely packed together than gas particles,

enabling faster transfer of vibrational energy between molecules

3
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Progressive Longitudinal Wave

Progressive → There is Energy transfer

Longitudinal → The direction of energy transfer of wave is parallel to direction of particle displacement

4
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I = P/A

A → 4 x pi x r²

Surface Area of Sphere

5
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Polarising Sheet

I=Io(cosx)²

When passing thru first sheet, intensity is halved

6
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<p>Standing Wave</p>

Standing Wave

A n C are in phase but out of phase with B by

180• or pi rad