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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
A lens forms an erect, magnified, and virtual image of an object. Where is the object placed in relation to the lens?
Draw a neat labelled ray diagram to show the formation of an image by a magnifying glass. State three characteristics of the image.
An illuminated object lies at a distance 1.0 m from a screen. A convex lens is used to form the image of the object on a screen placed at a distance of 75 cm from the lens. Find:
- the focal length of the lens, and
- the magnification.
The magnification by a lens is +0.5. Name the lens and state how are u and v related?
Why is the focal length of the lens, used as a magnifying glass, kept short?
Define magnification produced by a lens. State its unit.
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?
Show with the help of a ray diagram, the path of the ray when incident normally on the first surface of the glass block, through the block and the liquid.
Copy and complete the following ray diagram.
State two uses of magnifying glass.
