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An object placed in front of a concave mirror with radius R = 20 cm has its image formed 20 cm behind the mirror. What is the object distance?
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4 votes
4 votes
An object placed in front of a concave mirror with radius R = 20 cm has its image formed 20 cm behind the mirror. What is the object distance?

User Rogiller
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3.1k points

2 Answers

15 votes
15 votes
The answer is 40
Because distance depends
On location
User Ahsan Naseem
by
3.3k points
21 votes
21 votes

Answer: 20 cm from the face of the mirror or 40 cm from the center from there the curvature is determined.

Step-by-step explanation:

hope it helps you :)

User Paul Kuykendall
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3.2k points
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