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Q.
The case when the object is between F1 and the optical center O of the lens shows the use of a convex lens as a magnifying glass . This is because here the image formed is ____ and ____ .
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Detailed Solution
Concept- The image formed in the given condition would be erect and magnified. We are aware that concave lenses are diverging and convex lenses are convergent. When a parallel beam of light strikes a convergent lens, it converges at a single point, whereas a divergent lens causes the light to diverge in all directions. The item can be put in a variety of locations, but it must always be on the left side of the lens.
(a) For the object at 2F, a convex lens
Since the lens in this instance is biconvex, it has a typical convex shape on both sides and is not planar from any angle. We can see that the light beams are truly interacting, thus the picture that is created is genuine, inverted, and the same size as the item.
Concave lens (b) for an item positioned between F and 2F
Here, we can see a biconcave lens, which is written as being concave on both sides. After passing through the lens, the rays do not really connect, but rather appear to meet, creating a virtual picture. The picture is upright and smaller than the item.
The case when the object is between F1 and the optical center O of the lens shows the use of a convex lens as a magnifying glass. This is so that the picture that is created may be erect and amplified.
Hence, the answer is erect, magnified.
(a) For the object at 2F, a convex lens
Concave lens (b) for an item positioned between F and 2F
The case when the object is between F1 and the optical center O of the lens shows the use of a convex lens as a magnifying glass. This is so that the picture that is created may be erect and amplified.
Hence, the answer is erect, magnified.
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