The distance between the object and its image in the flat mirror was 140 cm. The object was moved 25
| July 13, 2021 | education
The distance between the object and its image in the flat mirror was 140 cm. The object was moved 25 cm away from the mirror. What is the distance from the mirror to the object?
Given: L0 (initial distance between the specified object and its image) = 140 cm; ΔLp (additional displacement of the object) = 25 cm.
The established distance from the mirror to the specified object: Lp = Lp0 + ΔLp = Lp / 2 + ΔLp = 140/2 + 25 = 95 cm.
Answer: After displacement, the specified object will be at a distance of 95 cm from the mirror.
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