Question

write down three situations in which the convex lenses used​

Answer 1

Explanation:

HEY MATE ..

➞Used in microscopes:

Microscopes use a convex lens to generate extremely magnified images of very small objects. Simple microscopes mostly consist of three lenses. The lens at the end of the simple microscope produces an inverted and magnified image.

➞Uses of convex lens in cameras:

Convex lenses are used widely in the camera, not only focus on an image but also to magnify it. Almost all lenses of cameras consist 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 used in eyeglass:

A person can become farsighted or nearsighted as the eye lens fails to focus the light on the retina properly. The lens of a person who is suffering from farsightedness focuses the image far behind the retina. Therefore, it causes difficulty for the person to focus on the objects that are close to the eye. A convex lens, when placed in front of the eye, bends the light rays which shortens the focal point and the light focuses on the retina in a proper manner.

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Answer 2

Answer:

Hello! Three examples/situations in which convex lenses are used:

1. It is used to correct short-sightedness or myopia.i.e the human eye
2. used in microscopes, telescopes and cameras
3. Lights, flashlights, laser, binocular etc.

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