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प्रश्न
Why is the focal length of the lens, used as a magnifying glass, kept short?
उत्तर
The focal length of the lens used as a magnifying glass is kept small to increase its magnifying power.
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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.
Ray diagram for the formation of image by a magnifying glass.
If the magnification produced by a lens is - 0.5, the correct statement is ______.
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?
The maximum magnifying power of a convex lens of focal length 5 cm can be ______.
Name the lens used as a magnifying glass.
Will the image formed by a magnifying glass be real or virtual?
Name the lens for which magnification is always less than 1.
Copy and complete the following ray diagram.
