Question

Q) A thin convex lens of focal length (30 cm) is placed at a distance of (20

cm) from a thin concave lens of (50 cm) focal length. A) Calculate the

equivalent focal length of two lenses. B) Find the position of the final image

and its magnification of an object placed 15 cm in front of the first lens. C)

Draw a simple diagram of this problem and explain all the final results.
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Answer 1

Answer:

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