Created at 4:26 a.m. Jun, 03, 2026
Author:
racemicmixture
Type of change:
Updated content
Rationale for change
Need to specify this is for a standing wave on the front of the card.
In all waves, the maximum displacement is considered the maximum amplitude.
In standing waves specifically, this point of maximum displacement is known as the antinode.
For transverse waves, it is the upward maximum (crest) or downward maximum (trough), which from y = 0 are equal to the maximum amplitude
For longitudinal waves, it's compression and rarefaction.
The card initially appears to ask for points in a wave in which there is maximum displacement. To answer this, crest, trough, compression, rarefaction, and antinodes are all valid answers.
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Found in standing waves when there are two waves with destructive or constructive interference.

Photo credit:HinnevdZant, CC BY-SA 4.0, via Wikimedia Commons
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