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| 1. |
A plane mirror placed at the distance of 12.5cm from the f of concave mirror of R 20 cm fixed where the object can be place b/w the two mirror so that first image in the both mirror coincide. |
| Answer» A plane mirror placed at the distance of 12.5cm from the f of concave mirror of R 20 cm fixed where the object can be place b/w the two mirror so that first image in the both mirror coincide. | |