Physics Waves NUMS 2023
PMDC Verified Question 53 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
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Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Wave crest
Concept:

Transverse waves involve particle displacement that is strictly perpendicular to the direction the energy travels.

Solution:

  • The undisturbed, resting state of the medium is known as the "mean level" or equilibrium position.


  • When the wave passes, particles are displaced. The entire raised region, reaching maximum positive displacement above the mean level, is structurally defined as the Wave crest.


Why other options are incorrect:

The wave trough is the region below the mean level. A wave front is an imaginary line connecting points in the exact same phase. Wavelength is a distance measurement.

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