Solved: While looking at her image in a cosmetic mirror,
Chapter 23, Problem 23.34(choose chapter or problem)
While looking at her image in a cosmetic mirror, Dina notes that her face is highly magnifi ed when she is close to the mirror, but as she backs away from the mirror, her image fi rst becomes blurry, then disappears when she is about 30 cm from the mirror, and then inverts when she is beyond 30 cm. Based on these observations, what can she conclude about the properties of the mirror?
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