PDF chapter test TRY NOW
- Take out a yarn from a piece of cotton fabric.
- Place this piece of yarn on the table.
- Now, press one end of the yarn with your thumb.
- Scratch the other end of the yarn along its length with your nail as shown in figure.
Stretching the yarn
Do you find that at this end, the yarn splits up into thin strands? If so, then what are these called?
up into thin strands. These thin strands are known as .
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