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प्रश्न
Ray diagram for the formation of image by a magnifying glass.
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उत्तर
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संबंधित प्रश्न
The following diagram shows an object AB and a converging lens L with foci F1 and F2. Draw two rays from the object AB and complete the diagram to locate the position of the image CD. Also mark on the diagram the position of eye from where the image can be viewed.
A lens forms an erect, magnified, and virtual image of an object. Where is the object placed in relation to the lens?
A lens forms an erect, magnified, and virtual image of an object. Name the device which uses this principle.
Define the term magnifying power of a simple microscope. How does it depend on the focal length of the lens used?
Name the lens for which magnification can be 1. For what position of the object will the magnification be 1?
A convex lens produces on a screen an image twice the size of the object. If the position of image and object be interchanged, what will be the magnification then?
How is the magnification (m) produced by a lens related to the object distance (u) and the image distance (v)?
Draw a neat diagram to explain the action of a convergent (convex) lens as a reading glass (or magnifying glass). State the characteristics of the image formed.
Copy and complete the following ray diagram.
Write an expression for the magnifying power of a simple microscope. How can it be increased?
