Benchmark Details

Subject: Science
Standard:

High School (9-12)
LabelBenchmark
S12.4.3 Knows that apparent changes in wavelength can provide information about changes in motion because the observed wavelength of a wave depends upon the relative motion of the source and the observer; if either the source or observer is moving toward the other, the observed wavelength is shorter; if either is moving away, the wavelength is longer.

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