MCQOPTIONS
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MCQOPTIONS
| 1. |
What are Concave lenses? |
| A. | Thicker from the centre than at the edge |
| B. | Thinner from the centre than at the edge |
| C. | Thicker from both the positions |
| D. | Thinner from both the positions |
| Answer» C. Thicker from both the positions | |