in an experiment it was found that string vibrates in n loops when a mass M is placed on the pan. What mass should be placed on the pan to make it vib

Question

in an experiment it was found that string vibrates in n loops when a mass M is placed on the pan. What mass should be placed on the pan to make it vib

in an experiment it was found that string vibrates in n loops when a mass M is placed on the pan. What mass should be placed on the pan to make it vibrate in 2n loops with same frequency ? ( neglect the mass of pan )
A. `M//4`
B. 4 M
C. 2 M
D. `M//2`

Monjur Alahi

5 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
As the string vibrates in n loops therefore, `l=(nlambda)/2`
therefore, v would become `1/2` time. As `v prop sqrt(T)`
Threrfore to make v half- time T must be made `1/4` time
i.e. M/4.

5 views Answered 2023-02-05 15:29