What is the small ripples on water is 0.5s and their wavelength is 10cm,then what is the speed of the waves?
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Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second. In this case, there is 1 cycle per 2 seconds. So the frequency is 1 cycles/2 s = 0.5 Hz.
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Answer:
All waves, including sound waves and electromagnetic waves, follow this equation. It should be noted that some particular waves have their own specific speeds:
the speed of light and all of the electromagnetic spectrum in a vacuum (in vacuo) is 300,000,000 m/s or 3×108 m/s
the speed of sound in air is 340 m/s
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