| The graph shows how the magnification m produced by a thin lens varies with image distance v. What is the focal length of the lens used? [JEE Main 10-4-2019 Afternoon] |
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A) \[\frac{{{b}^{2}}c}{a}\]
B) \[\frac{{{b}^{2}}}{ac}\]
C) \[\frac{a}{c}\]
D) \[\frac{b}{c}\]
Correct Answer: D
Solution :
[d] |
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