Question

Rohan hanged the weights with the threads of different fibres of same dimension separately. He observed that maximum weight was required to break thread of fibre 'X'. Not Visited 'X' is​

Answer 1

. Add weight one by one till the

thread breaks. Note down the total

weight required to break the thread.

This weight indicates the strength

of the fibre. Repeat the same activity

with threads of wool, polyester, silk

and nylon. Tabulate the data as

shown in Table 3.2. Arrange the

threads in order of their increasing

strength. -