MCQOPTIONS
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| 1. |
A lens has a power of +2.0 Dioptre, Which one of the following statements about the lens is true? |
| A. | The lens is concave and has a focal length of 0.5 metre |
| B. | The lens is convex and has a focal length of 2.0 metre |
| C. | The lens is convex and has a focal length of 0.5 metre |
| D. | The lens is concave and has a focal length of 2.0 metre |
| Answer» D. The lens is concave and has a focal length of 2.0 metre | |