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प्रश्न
Draw a neat labelled ray diagram to show the formation of an image by a magnifying glass. State three characteristics of the image.
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उत्तर
If the object (AB) is situated between the focal length and optical centre of a convex lens, then its image (A'B') will form on the same side of the lens.
The image formed will be virtual, magnified and erect.
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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?
Where is the object placed with respect to the principal focus of a magnifying glass, so as to see its enlarged image? Where is the image obtained?
Define magnifying power of a simple microscope. How can it be increased?
The magnification by a lens is -3. Name the lens and state how are u and v related?
What are conjugate foci?
Why is the focal length of the lens, used as a magnifying glass, kept short?
Name the lens for which magnification is always less than 1.
An object is placed in front of a lens between its optical centre and the focus and forms a virtual, erect, and diminished image. Draw a ray diagram to show the formation of the image with the above-stated characteristics.
Copy and complete the following ray diagram.
Copy and complete the following ray diagram.
