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Can we prove f=r/2 for concave and covex lenses​​​​​​​​​​ ? If it can be proved, please prove it quickly. I have posted it many more times.

Can we prove f=r/2 for concave and covex lenses​​​​​​​​​​ ?
If it can be proved, please prove it quickly.
I have posted it many more times.

Grade:10

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
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