Lesson: Chapter 5 — Optics

5.4.2. Concave lenses 3 of 4 Reset answers

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Question 3

In Activity 5.7, why can no image be caught on the screen?

A A concave lens forms only virtual images B The candle is too dim C The lens is too thin D The screen is on the wrong side

The right answer is the one marked above.

A concave lens forms only virtual images. The rays spread apart after the lens, so they never come together on a screen.

Answer the question to continue.