Draw a ray diagram to show the use of a convex lens for the formation of images having the following characteristics. (a) Real & inverted and diminished (b) Virtual, erect & magnified.
Answers
Explanation:
The ray diagram to show the formation of an inverted and diminished image of an object by a lens is shown alongside. In figure A’B’ is the image for the object AB. The lens used is convex (or converging). The object lies beyond 2F in front of the lens. The image is real.
A convex lens is thicker in the middle and thinner at the edges.
It is also known as Converging Lens
It increase refraction, and accordingly reduce the focal length.
It is used in telescopes, cameras, lasers, glasses, binoculars, etc.
For an erect image of an object, the object between F1 and the optical centre of a convex lens. The image is formed in the same side of the lens.
The below attachment is a ray diagram for (a) Real,inverted and diminished.
(b)Virtual,erect magnified.
#spj2
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