Lesson: Chapter 5 — Optics

5.4.1. Convex lenses 4 of 5 Reset answers

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Question 4

In Activity 5.6 a sharp image of a distant view forms 12 cm behind a convex lens. The focal length is about…

A 24 cm B 36 cm C 12 cm D 6 cm

The right answer is the one marked above.

12 cm. Rays from a distant view are nearly parallel and meet at the focus.

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