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प्रश्न
What is a magnifying glass?
उत्तर
A magnifying glass is a convex lens of short focal length. It is mounted in a lens holder for practical use.
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संबंधित प्रश्न
A lens forms an erect, magnified and virtual image of an object.Draw a ray diagram to show the formation of image.
Draw a neat labelled ray diagram to show the formation of an image by a magnifying glass. State three characteristics of the image.
Define magnifying power of a simple microscope. How can it be increased?
What information about the nature of image is real or virtual, do you get from the sign of magnification + or -?
The magnification by a lens is -3. Name the lens and state how are u and v related?
The maximum magnifying power of a convex lens of focal length 5 cm can be ______.
Define magnification produced by a lens. State its unit.
Name the lens for which magnification is always less than 1.
Copy and complete the following ray diagram.
Copy and complete the following ray diagram.