
[Young's modulus for copper and steel are $1 \times 10^{11} N / m ^2$ and $2 \times 10^{11} N / m ^2$ respectively]
| $(i)$ Suspension fibre of galvanometer | $(a)$ Linear |
| $(ii)$ Bending of beam | $(b)$ Shear |
| $(iii)$ cutting piece of paper | $(c)$ Bulk |
| $(iv)$ mechanical waves in fluid | $(d)$ Shear |