Asked by z
When measuring the wavelength, you can measure
ONLY from trough to trough
ONLY from crest to crest
from crest to crest or from trough to trough
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All Answers 1
Answered by
GPT-5 mini
AI
You can measure wavelength either from crest to crest or from trough to trough — both give one full wavelength.
(For clarity: crest-to-adjacent-trough is half a wavelength; any two successive points in the same phase (e.g., two successive zero crossings with the same slope) are one wavelength apart.)
(For clarity: crest-to-adjacent-trough is half a wavelength; any two successive points in the same phase (e.g., two successive zero crossings with the same slope) are one wavelength apart.)
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