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Question
What is the maximum distance between real object and real image in the case of concave mirror?
A)2f . B)f. C) 0. D)4f
Explain with reason
What is the maximum distance between real object and real image in the case of concave mirror?
A)2f . B)f. C) 0. D)4f
Explain with reason
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Solution
Well, question is awkward.
For concave mirror,
If object is at focus, then the real image is at infinity. So, maximum distance between image and object is infinity.
The maximum distance is neithernf, 2f, 4f or zero, its infinity.
If question is minimum distance, then its zero. When image is at centre of curvature, 2f, object is at 2f too.
For concave mirror,
If object is at focus, then the real image is at infinity. So, maximum distance between image and object is infinity.
The maximum distance is neithernf, 2f, 4f or zero, its infinity.
If question is minimum distance, then its zero. When image is at centre of curvature, 2f, object is at 2f too.
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