You are given a disc divided into seven sectors with colours violet, indigo, blue, green, yellow, orange and red in them. What would be its color when it is rotated rapidly?

State the two laws of reflection of light.

In figure, AO is the ray of white light falling on a prism PQR. Complete the diagram till the light emerges out from the prism and falls on the screen.

A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.