Fibre ti Fabric

Draw a schematic diagram of a single optical fibre structure. Explain briefly how an optical fibre is fabricated. Describe in brief, the mechanism of propagation of light signal through an optical fibre.

The substances applied to fabrics before dying them is called :

The substances applied to fabrics before dying them is called:

In a fabric cotton and synthetic fibres are in the ratio of 2:3. What is the percentage of cotton fibre in the fabric?

In a fabric,cotton and synthetic fibres are in the ratio of 2:3. what is the percentage of cotton fibre in the fabric?

What is the main requirement in fabricating optical fibres ?

Yarn, fabric and fibres are related to each other. Show the relationship by filling the blanks in the following sentence. Fabric of cotton saree is made by weaving cotton_ _ _ _ _ _which in turn is made by spinning thin cotton _ _ _ _ _ _.

Boojho went to a cloth shop. There he found a fabric which was smooth to touch, had vibrant colour and shine. The fabric could be

Weaving of yarn makes a piece of fabric.