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प्रश्न
What information we seek by the linear magnification of the image when it is positive or negative?
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उत्तर
If magnification is positive, then the image will be real and inverted, and if negative then the image will be virtual and erect.
संबंधित प्रश्न
A lens forms an erect, magnified, and virtual image of an object. Name the device which uses this principle.
A magnifying glass forms ______.
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 maximum magnifying power of a convex lens of focal length 5 cm can be ______.
Define the term magnifying power of a simple microscope. How does it depend on the focal length of the lens used?
Name the lens for which magnification can be 1. For what position of the object will the magnification be 1?
Name the lens for which magnification is always less than 1.
How is the magnification (m) produced by a lens related to the object distance (u) and the image distance (v)?
Copy and complete the following ray diagram.
An erect, magnified, and a virtual image is formed when an object is placed between the optical centre and principal focus of a lens.
(i) Name the lens.
(ii) Draw a ray diagram to show the formation of the image with the above-stated characteristics.
