Lesson: Chapter 5 — Optics

Images formed by a convex lens 1 of 6 Reset answers

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Question 1

An object is 20 cm from a convex lens of focal length 15 cm. The image is…

A virtual, upright, larger B real, inverted, smaller C real, inverted, larger D real, upright, same size

The right answer is the one marked above.

Real, inverted, larger. 20 cm is between f (15 cm) and 2f (30 cm), so the image forms beyond 2f, magnified.

Answer the question to continue.