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PLEASE HELP!!

To determine a waves' frequency, you must know the

A. distance it travels.
B. number of oscillations in a given period of time.
C. distance between the crest and trough.
D. height of the wave.

User Chenlian
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1 Answer

3 votes
Because t=1/f. So. Do you know ? B
User Benny Tjia
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