Ron watches a wave for 10 seconds and notices 10 crests. He watches another wave for 10 seconds and sees 5 crests. Which wave has a lesser frequency?
10 crests 5 crests
A B
Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave.
frequency of the wave
higher
greater
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MORE
number of crests that pass
lesser
crests
frequency
frequency