What are the uses of convex lens?
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Answer:
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Explanation:
The convex lens is used to solve the problem of farsightedness or Hypermetropia, by bending the light ray which shortens the focal length and makes the light ray focus on the retina in a proper way. Cameras: The convex lens is used in the camera for focusing the image and also for magnifying it.
Answer:
The Convex Lens in Magnifying Glasses
Most common use of convex lens is in a magnifying glass. As the light rays enter the convex lens present in the magnifying glass, these rays become focused on a specific focal point in front of the center of the lens. Furthermore, if the magnifying glass is at an optimal distance, this generates the maximum magnification of the object.
The Convex Lens in Eyeglasses
A person can have problems like farsightedness or nearsightedness as the eye lens fails to focus the light on the retina properly. A person who is suffering from farsightedness, the image formed by the lens is far behind the retina.
In addition, this makes a person difficult to see near objects, as their lens is not capable to focus the image in a proper manner on the retina. We can cure this by using a convex lens placed in front of their eye.
Besides, the convex lens bends the light rays that reduce the length of the focal point and the light focuses on the retina in a proper manner.
The Convex Lens in Cameras
In a camera, we use a convex lens because it focuses on an image as well as magnify the image of the object. Also, the camera lens consists of a convex lens followed by a concave lens, followed by a second convex lens. The first lens controls the magnification level of the image by moving away from or towards the object.
Convex Lens Uses in Microscopes
In a microscope, we use a convex lens because convex lens magnifies images. Microscopes generate extremely magnified images of very small objects for this purpose convex lens are very useful. Moreover, simple microscopes mostly consist of three lenses.
However, among the three lenses, the lens present at the end of the microscope produces an inverted and magnified image.