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Aleksandr-060686 [28]
2 years ago
8

Help with this question

Physics
1 answer:
Alina [70]2 years ago
3 0

Answer:

D and B.

Explanation:

The wavelength must be taken from the same corresponding point. D and B are both at the crests of a wave, with no other crests in between, which means the distance between them is equal to one wavelength.

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