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Sagot :
The frequency of a wave is 20Hertz if its time period is 0.05sec. Frequency is said to be inversely proportional to time period.
Frequency, in material science, the quantity of waves that pass a decent point in unit time; likewise, the quantity of cycles or vibrations gone through during one unit of time by a body in occasional movement. A body in occasional movement is said to have gone through one cycle or one vibration subsequent to going through a progression of occasions or positions and getting back to its unique state. See likewise precise speed; straightforward symphonious movement.
If the period, or time span, expected to finish one cycle or vibration is 1/2 second, the frequency is 2 every second; assuming that the period is 1/100 of 60 minutes, the frequency is 100 every hour. By and large, the frequency is proportional of the period, or time span; i.e., frequency = 1/period = 1/(time stretch). The frequency with which the Moon spins around Earth is somewhat in excess of 12 cycles each year. The frequency of the A line of a violin is 440 vibrations or cycles each second.
So, we know that frequency is defined as inversely proportional to time period.
So, frequency=1/Time period
=>v=1/0.05
=>v=100/5
=>v=20/sec
or v=20Hertz.
Hence, frequency of wave is 20Hertz.
To know more about frequency, visit here:
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