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10.An object of length of 6 cm is placed on the principle axis of concave mirror of focal length f at distance of 4 f. The length of the image will be (A) 2 cm (B) 12 cm (C) 4 cm (D) 1.2 cm |
| Answer» 10.An object of length of 6 cm is placed on the principle axis of concave mirror of focal length f at distance of 4 f. The length of the image will be (A) 2 cm (B) 12 cm (C) 4 cm (D) 1.2 cm | |