Physics Waves MDCAT 2008
PMDC Verified Question 125 of 125
Transverse waves cannot be setup in ____.
A
Metals
B
Fluids
C
Solids
D
Soil
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Fluids
Concept:

Transverse waves require a medium that has shear strength or rigidity so that displaced particles can pull adjacent particles perpendicular to the wave's direction of propagation.

Solution:

  • Solids (like metals and soil) have rigid intermolecular bonds, allowing them to sustain the shear stress necessary for transverse waves.


  • Fluids (liquids and gases) lack shear strength; their layers slide past one another. Therefore, they cannot support the restoring forces required for transverse mechanical waves (except on the surface of liquids due to surface tension).


Why other options are incorrect:

Metals, solids, and soil all have the structural rigidity required to transmit transverse waves, making them incorrect choices.

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