The frequency of vibration of 20cm length of a sonometer wire (linear density is 0.0294 gm/cm) under a tension 3kg wt is

Question

The frequency of vibration of 20cm length of a sonometer wire (linear density is 0.0294 gm/cm) under a tension 3kg wt is

The frequency of vibration of 20cm length of a sonometer wire (linear density is 0.0294 gm/cm) under a tension 3kg wt is
A. 750 Hz
B. 500 Hz
C. 250 Hz
D. 125 Hz

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 - C
`n=(1)/(2l) sqrt(T/m) = (1)/(1xx20xx10^(-2)) sqrt((3xx9.8)/(2.94xx10^(-4)))`
`=100/40 xx10^2 = 250Hz`

4 views Answered 2023-02-05 15:29