An aluminium wire of length 60 cm is joined to a steel wire

Last updated: 6/10/2023

An aluminium wire of length 60 cm is joined to a steel wire of length 80 cm and stretched between two fixed supports The tension produces is 40 N Cross sectional area is 1 mm Steel and 3 mm aluminium Minimum frequency of the tuning fork which can produce standing waves with the joint as node is density of Al 2 6 g ce and density of steel 7 8 g cc Aluminium 60cm 1 90 Hz 2 145 Hz 3 180 Hz N Steel 80cm