If the vibration length of a string is increased by 20% then its first overtone frequency in comparison to the original first overtone frequency will

Question

If the vibration length of a string is increased by 20% then its first overtone frequency in comparison to the original first overtone frequency will

If the vibration length of a string is increased by 20% then its first overtone frequency in comparison to the original first overtone frequency will decrease by
A. 0.4
B. 0.16
C. 0.2
D. 0.32

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`n_2/n_1 = l_1/l_2 = (l_1)/(1.2l_1) = 10/12 = 5/6`
`(n_2-n_1)/(n_1) = (5-6)/(6) = (-1)/(6) = - 16.66%`

4 views Answered 2023-02-05 15:29