How far is the boy from the mirror if his image is 31 cm from the mirror?
| April 8, 2021 | education
Data: f (distance from the image of this boy to the mirror) = 31 cm.
The distance from this boy to the mirror is determined from equality (true for a flat mirror): d = -f = 31 cm.
Answer: This boy is at a distance of 31 cm from the mirror.
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