Geometrical Optics

Question

An effective power of a combination of 5 identical convex lenses which are kept in contact along the principal axis is …. Focal length of each of the convex lens is:

Accepted Answer

Option B. When we have a combination of identical lenses in contact, the effective power (…) of the combination can be calculated as the sum of the powers of all the individual lenses. This is because the lenses are in direct contact, and their powers effectively add up.

More on Geometrical Optics

Geometrical Optics

More on Geometrical Optics