Journey from fibre to 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?

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

Weaving of yarn makes a piece of fabric.

Yarn is made from fibres.

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.

Purkinje fibres arise from

A particle is dropped from the top of a tower. If it falls half of the height of the tower in its last second of journey, find the time of journey.