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Write the three characteristics of the image formed by a convex lens of focal length 20 cm for the object at following distance from the lens.(i) 10 cm(ii) 30 cm(iii) 40 cm(iv) 60 cm |
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Answer» Write the three characteristics of the image formed by a convex lens of focal length 20 cm for the object at following distance from the lens. (i) 10 cm (ii) 30 cm (iii) 40 cm (iv) 60 cm |
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