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A rod of length 5cm lies along the principal axis of the concave mirror of focal length 15cm in such a way that the end of the closer to the pole is 30cm away from it. Then the length of the image — (1) 2.75 cm (2) 3.75 cm (3) 4.75 cm (4) None of the above |
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Answer» Correct option is (2) 3.75 cm |
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