For light to be focused into an image by a lens, that lens must be...

Question

A) Convex in shape

B) Concave in shape

No 'do your own homework' answers, please -- only answer if you can help!

Answer 1

Convex.

Answer 2

Double convex lens.

Answer 3

The light to be focused into an image the lens must be convex shaped...

The convex lens gives the exact image of the object on which the light is incident and if it is concave then the light incident on that object will give the image but it will not be clear and the image of the light will appear very big...

So convex lens is the best...

Even the contact lenses that is worn in the eyes is convex coz when light falls on the eye ball the object that the eyes see will be the same image as the original one....

Answer 4

A) Convex in shape