Hey is there is someone who is having the ICSE book of class 8I want a question paper of the chapter transport of food and minerals in plant can someone Decideme please you can also comment its urgent​

Long answer 4- If a transparent ruler is held in sunlight, we see various colors because sunlight is white light and it has seven colors .When rays of light after passing through ruler splits into seven colours .This band of seven colours is known as spectrum. The splitting of white light into seven colours is known as dispersion of light.