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प्रश्न
Name the lens used as a magnifying glass.
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उत्तर
Convex (or converging) lens is used as a magnifying glass.
संबंधित प्रश्न
Define magnifying power of a simple microscope. How can it be increased?
Ray diagram for the formation of image by a magnifying glass.
An object is placed at a distance of 20 cm in front of a concave lens of focal length 20 cm. find: the magnification of image.
The magnification by a lens is +0.5. Name the lens and state how are u and v related?
What are conjugate foci?
Define the term magnifying power of a simple microscope. How does it depend on the focal length of the lens used?
Define magnification produced by a lens. State its unit.
Name the lens for which magnification is always less than 1.
What is a simple microscope or a magnifying glass? Draw a ray diagram to show its function.
Write an expression for the magnifying power of a simple microscope. How can it be increased?
