JEE · NEET Previous Year Question

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 ofwavelength ${\lambda }_1$ is produced at the lower end ofthe rope. The wavelength of the pulse when it reaches the top of the rope is ${\lambda }_2$. The ratio ${\lambda }_2/{\lambda }_1$ is

Topic: NEET PYQ

Answer: D. Full step-by-step solution below.