Solution:
Work done in a stretched wire,
Given,
and
Hence, the ratio of work done in stretching the wires.
Force constants of two wires A and B of the same material are k and 2k, respectively. If the two wires
are stretched equally, then the ratio of work done in stretching is
Work done in a stretched wire,
Given,
and
Hence, the ratio of work done in stretching the wires.