In melde's experiment, 3 loops are forme...

In melde's experiment, 3 loops are formed when a mass of 25gm is put in a pan. If the number of loops changes to 6, then the mass in the pan will be (mass of empty pan `m_0=7gm`)

0gm

1gm

2gm

0.5gm

Text Solution

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The correct Answer is:

`T_1P_1^2= T_2P_2^2`
`g(m_0 +m_1) P_1^2 = (m_0 +m_2) g P-2^2`
`(7+25) 9 = (7+m_2)36`
`32=28+4m_2`
`therefore 4m_2 = 4`
`m_2 = 1gm`

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