The string of monochord , vibrates 100 times a second. Its length is doubled and its tension is altered unitl it makes 150 vib/s . What is the ratio o

Question

The string of monochord , vibrates 100 times a second. Its length is doubled and its tension is altered unitl it makes 150 vib/s . What is the ratio o

The string of monochord , vibrates 100 times a second. Its length is doubled and its tension is altered unitl it makes 150 vib/s . What is the ratio of the new tension to the string increases by a force ?
A. `1:9`
B. `9:1`
C. `1:3`
D. `3:1`

Monjur Alahi

6 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
`T_1/T_1 =(n_2/n_1)^2xx(l_2/l_1)^2 = 2.25xx4 = 9.1`

6 views Answered 2023-02-05 15:29