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प्रश्न
What information about the nature of image is real or virtual, do you get from the sign of magnification + or -?
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उत्तर
A positive sign of magnification indicates that the image is virtual, while a negative sign indicates that the image is real.
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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?
A lens forms an erect, magnified and virtual image of an object.Draw a ray diagram to show the formation of image.
What is a magnifying glass?
Define magnifying power of a simple microscope. How can it be increased?
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.
Define the term magnifying power of a simple microscope. How does it depend on the focal length of the lens used?
Why is the focal length of the lens, used as a magnifying glass, kept short?
Copy and complete the following ray diagram.

