Lesson: Chapter 5 — Optics

5.4.3. The magnifying glass and other instruments 1 of 4 Reset answers

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Question 1

To use a convex lens as a magnifying glass, the object must be…

A beyond 2f B closer to the lens than its focal length C at 2f D at the focus

The right answer is the one marked above.

Closer to the lens than its focal length. Only then is the image virtual, upright and magnified.

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