Transverse Waves: Why They Can't Travel Through Liquids

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Transverse waves cannot travel through liquids because fluids cannot support shear stress. Only longitudinal waves, which are pressure waves, can propagate through these substances. Despite this, transverse surface waves can occur at interfaces, such as ocean waves at shorelines. The relationship between transverse waves and shear is crucial, as shear forces are necessary for transverse wave propagation. Understanding these principles is essential for comprehending wave behavior in different mediums.
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Why transverse waves cannot travel through liquids ?
 
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A fluid (liquid or gas) is a substance that cannot support shear. So only pressure waves, which are longitudinal can traverse through a fluid.

However transverse surface waves can exist as you can witness at any shoreline.
 
What is the relation between transverse waves and shear?
 

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