Fibre to Fabric

The substances applied to fabrics before dying them is called :

The substances applied to fabrics before dying them is called:

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 compound used to fix a dye to the fabric is known as:

An azo dye is fixed on fabrics by the process applicable in

What is a solar cell ? Why is silicon used to fabricate solar cells ?

Explain the phrase - ''Unity is strength'' on the basis of the making of fabric from fibre.

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 _ _ _ _ _ _.