Question

Please tell me about Combination of Lenses.
The first answer will be considered as brainliest​ but it should be relevant otherwise you will be reported.
And one main thing don't copy from internet please.

Answer 1

Answer:

Combination of lenses. When two lenses are used in combination, the first one forms an image that then serves as the object for the second lens. The magnification of the combination is the ratio of the height of the final image to the height of the object.

_&&&___not copied..

Answer 2

Answer:

when a number of thin lenses are placed in contact with one another, the power of the combination is equal to algebraic sum of the powers of individual lenses.