A magnifying glass is a converging lens placed close to the eye. A farsighted person uses spectacles having converging lenses. Compare the functions of a converging lens used as a magnifying glass and as spectacles.
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myopia is the defect and converg all rays
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Comparison of the functions of a converging lens used as a magnifying glass and as spectacles.
Explanation:
(a) Single convex lens is used in a basic microscope.
Sometimes the image of a white source appears colored at the corners of the lens and somewhere in between due to spherical and chromatic aberrations.
(b) A converging lens in a magnifying glass consists of a narrower focal length used to magnify an object near the lens [between P and F]
Although converging lens used in spectacles varies in focal length depending on the hypermetropia's actual close point.
This shapes image at the close point of the damaged eye that the eye lens focuses more.
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