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An object is placed at a distance of from a convex lens of focal length . What is the distance of the image from the lens?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: B —
Solution
- Given and .
- Using the lens formula , we have .
- This simplifies to .
- Thus, .
- Hence the answer is (B).
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