The image formed by a convex lens is real and inverted when the object is placedbetween optical centre and focus F1at focus F1at 2F1at infinity
Question
The image formed by a convex lens is real and inverted when the object is placedbetween optical centre and focus F1at focus F1at 2F1at infinity
Solution
The image formed by a convex lens depends on the position of the object. Here are the scenarios based on your question:
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When the object is placed between the optical center and focus F1: The image formed is virtual, erect, and magnified. It is formed on the same side as the object.
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When the object is at focus F1: No real image is formed in this case. The rays of light are parallel after refraction and seem to meet at infinity.
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When the object is at 2F1 (twice the focal length): The image formed is real, inverted, and of the same size as the object. It is formed at 2F2.
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When the object is at infinity: The image formed is real, inverted, and highly diminished (point-sized). It is formed at the focus F2.
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S.No.Position of theobjectPosition of theimageSize of theimageNature of theimage1 At infinity At focus F2 Point image Real and inverted2 Beyond 2F1 Between F2 and 2F2 Smaller Real and inverted3 At 2F1 At 2F2 Same size Real and inverted4 Between F1 and 2F1 Beyond 2F2 Larger Real and inverted5 At focus F1 At infinity Very large Real and inverted6 Between F1 and O On the same side ofthe lens as the objectVery large Virtual and erec
The image formed by a convex lens when the distance of the object from the lens is large is1 pointrealvirtualClear selection
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