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Because their product is always the same number ... the speed of the wave. The only way for their product to remain constant is if they change in opposite directions.
That's the unit of frequency ... "cycles per second", or simply "cycles".It has now been officially renamed the "Hertz".
dynamic frequency, which is cycles per second, or Hertz
Frequency, which is measured in Hertz (Hz)
To calculate frequency from a wave diagram, count the number of complete cycles of the wave that occur within a period of time. Then, divide the number of cycles by the time period to determine the frequency in hertz (Hz). The formula for calculating frequency is: frequency = number of cycles / time period.
frequency
False. The unit of frequency is cycles per second, which is measured in Hertz (Hz).
The frequency of the wave is 7 Hz (7 cycles per second).
Since period is the reciprocal of frequency, i.e Period = 1/frequency: Frequency = 4 kHz = 4000 cycles/sec Period = 1/(4000 cycles/sec) = 1 sec/4000 cycles = 0.00025 sec/cycle
Hertz means cycles per second. That is its' frequency.
The frequency of a wave is the amount of cycles that pass the observer in any time.
Frequency is measured in Hertz, or cycles per second.