MCQOPTIONS
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| 1. |
A convex lens of focal length 8 cm is to be used to form a virtual image 2 times the size of the object. Where must the lens be placed? |
| A. | 3 cm |
| B. | 4 cm |
| C. | 5 cm |
| D. | 8 cm |
| Answer» C. 5 cm | |