The end of a horizontal rope is attached to a prong of an electrically driven tuning fork that vibrates at 100Hz. The other end passes over a pulley and supports a 2-kg mass. The linear mass density of the rope is 0.075 kg/m. What is the wavelength of a transverse wave on the rope?
0.25 m
0.16 m
0.12 m
1.2 m