an object complets 20 vibration in 1 second. what is frequency of the object ?
thakuraadarsh68:
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Frequency is usually measured in Hz, which is number of cycles per 1 sec. you have a number of cycles per 20 seconds. So to make 20 the number 1, you divide by 20 (20/20 = 1)
You must do the same to the other number to maintain equality, that is, divide by the same number “20”. : 4280/20 = 428/2 = 214
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