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98. For the given lens,the magnification was found to be twice as large when the object was 0.15m distance from it as when the distance was 0.2m. Find the power of the lens. |
| Answer» 98. For the given lens,the magnification was found to be twice as large when the object was 0.15m distance from it as when the distance was 0.2m. Find the power of the lens. | |