Physics Waves UHS 2024
PMDC Verified Question 18 of 125
In transverse waves the portion above the mean level is called:
A
Wave front
B
Wave crest
C
Wave trough
D
Wave length
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Wave crest
Concept:

Transverse waves move particles vertically relative to the wave's horizontal propagation path.

Solution:

  • The undisturbed, central horizontal axis is called the equilibrium or "mean level".


  • When the wave energy forces particles upwards to their maximum positive displacement, that entire elevated region is formally termed the Wave crest.


Why other options are incorrect:

The portion pushed downwards below the mean level is the trough. Wavelength is the horizontal distance between two crests. Wave front describes 2D/3D propagation lines.

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