AP Physics 1 Question 409: Answer and Explanation
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7. If the distance between a crest and an adjacent trough is 0.5 m, what is the wavelength of the wave?
- A. 0.25 m
- B. 0.5 m
- C. 1 m
- D. 2 m
Correct Answer: C
The distance between a crest and an adjacent trough is equal to half of a wavelength, so the wavelength of the wave is 1 m.