Question

B. Distinguish between the following.
1. Regular reflection and diffused reflection
2. Visible light spectrum and white light
3. Concave and convex lens​

Answer 1

regular reflection.

•regular reflection occurs

at the surface of the plane

surface like a plane mirror

•reflected rays after regular

reflection are parellel.

diffused reflection

• diffused reflection occurs at the surface of the rough surface of cardboard

• reflected rays after regular reflection are not parallel

Answer 2

Answer:

Concave lens

Also known as diverging lens.

Thinner at Middle thicker at edges.

Always form images as virtual, erect and diminished.

Convex lens

Also known as Converging lens.

Thinner at edges and thicker at middle.

Images formed will have different properties in different cases.(refer image)

Hope will help u!