" b.Concave lens and Convex Lens "

Distinguish between the following : Concave lens and convex lens .

Distinguish between : Concave lens and convex lens.

DIFFERENTIATE BETWEEN: Concave lens and convex lens.

a) With the help of a labelled diagram, explain how a concave lens diverges a beam of parallel light rays. Mark the princple axis, optical center, principle focus and focal length of the convex lens on the diagram. b) State whether concave lens and convex lens mirror have in common.

You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either

Which portion of a bi-focal lens is (a) a concave lens (b)a convex lens ?

What happens to the size of the image when the object is brought from infinity closer to (a) concave lens (b) convex lens ?