Answer
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Hint: There are around 6 cases of image formation for different positions of object in a converging lens. Four of them give real and inverted images and two of them give virtual and erect images. Generally to get an enlarged image the object is placed near the converging lens. Converging lenses are also called convex lenses.
Complete step by step answer:
In a convex lens when the object is placed at focus and between pole and focus, the image is formed virtual and erect and the size of image is enlarged than the object. This is because the image is formed in front of the lens. The rays after refraction could not intersect on the other side, so they are extended backwards to get an image.
This makes the image real and erect. When the object is placed on the focus, then the image formed is virtual and at infinity of diminished size. And if the object is placed at any position between beyond center of curvature and between center of curvature and focus the image formed is real and inverted and the size is either small or equal to the size of object. All these formations are defined in cases of formation of image in a converging lens.
![](https://www.vedantu.com/question-sets/b47a8e2a-2cc4-4c22-b8ee-e8bd2f2193ce8221223808713654035.png)
Note: To get a virtual image in a convex lens then the object should be placed at focus or near to the lens between focus and pole of lens and the image will be virtual and erect. Similarly to get real and inverted objects should be placed behind focus. Since it is a converging lens, most of the images formed are real and inverted.
Complete step by step answer:
In a convex lens when the object is placed at focus and between pole and focus, the image is formed virtual and erect and the size of image is enlarged than the object. This is because the image is formed in front of the lens. The rays after refraction could not intersect on the other side, so they are extended backwards to get an image.
This makes the image real and erect. When the object is placed on the focus, then the image formed is virtual and at infinity of diminished size. And if the object is placed at any position between beyond center of curvature and between center of curvature and focus the image formed is real and inverted and the size is either small or equal to the size of object. All these formations are defined in cases of formation of image in a converging lens.
![](https://www.vedantu.com/question-sets/b47a8e2a-2cc4-4c22-b8ee-e8bd2f2193ce8221223808713654035.png)
Note: To get a virtual image in a convex lens then the object should be placed at focus or near to the lens between focus and pole of lens and the image will be virtual and erect. Similarly to get real and inverted objects should be placed behind focus. Since it is a converging lens, most of the images formed are real and inverted.
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