MCQOPTIONS
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| 1. |
The graph shows how the magnification m produced by a convex thin lens varies with image distance v. What was the focal length of the used [DPMT 1995] |
| A. | \[\frac{b}{c}\] |
| B. | \[\frac{b}{ca}\] |
| C. | \[\frac{bc}{a}\] |
| D. | \[\frac{c}{b}\] |
| Answer» E. | |