Question

(a).
Derive the relation between object distance, image distance
and focal length for any lens by drawing suitable ray
diagram.
(b) Find the position of the image formed by the lens
combination as shown in the figure.​

Answer 1

Answer:

relation is there lenss formula

Explanation:

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Answer 2

a. 1/f = 1/v - 1/ u

i.e the reciprocal of focal length is equal to reciprocal of image distance minus reciprocal of object distance.