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Multiple Choice
Which term refers to the distance between two successive peaks of an electromagnetic wave?
A
Wavelength
B
Amplitude
C
Frequency
D
Period
Verified step by step guidance
1
Understand that an electromagnetic wave can be described by several key properties: wavelength, amplitude, frequency, and period.
Recall that the wavelength is defined as the distance between two successive peaks (or troughs) of a wave, which represents one complete cycle of the wave.
Amplitude refers to the height of the wave from the center line to a peak, indicating the wave's intensity or energy, not the distance between peaks.
Frequency is the number of wave cycles that pass a point per unit time, typically measured in hertz (Hz), and is inversely related to wavelength.
Period is the time it takes for one complete wave cycle to pass a point, which is the reciprocal of frequency, and does not describe a spatial distance.