Physics Waves SZABMU 2022
PMDC Verified Question 78 of 125
Maximum displacement of particles from its mean position is called:
A
Frequency
B
Amplitude
C
Wavelength
D
Crest
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Amplitude
Concept:

Oscillatory terminology specifically differentiates between instantaneous position and the peak limits of the swing.

Solution:

  • As a wave passes through a medium, the particles oscillate back and forth around a central resting point (the mean position or equilibrium).


  • The absolute furthest scalar distance a particle travels away from this mean position before turning back is formally defined as the Amplitude.


  • Amplitude directly dictates the total energy carried by the wave.


Why other options are incorrect:

A crest is a specific physical region (the "top"), not the scalar measurement itself. Wavelength is a horizontal distance. Frequency measures time-based cycles.

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