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A uniform rope of length L and mass m1 h...

A uniform rope of length L and mass m_1 hangs vertically from a rigid support. A block of mass `m_2` is attached to the free end of the rope. A transverse pulse of wavelength `lambda_1` is produced at the lower end of the rope. The wavelength of the pulse when it reaches the top of the rope is `lambda_2` . The ratio `frac(lambda_2)(lambda_1)` is

A

`sqrt frac(m_2)(m_1)`

B

`sqrt frac(m_1+m_2)(m_1)`

C

`sqrt frac(m_1)(m_2)`

D

`sqrt frac(m_1+m_2)(m_2)`

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