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Lesson: Chapter 5 — Optics

5.1. Reflection at a plane mirror 5 of 5

Question 5

Why is AMBULANCE written backwards on the front of an ambulance?

The right answer is the one marked above.

So that the driver ahead reads it correctly in a mirror. A plane mirror swaps left and right, so the reversed word comes out the right way round.

A plane mirror does not turn anything upside down.

Answer the question to continue.