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प्रश्न
If the magnification produced by a lens is - 0.5, the correct statement is ______.
विकल्प
The lens is concave
The image is virtual
The image is magnified
The images is real and diminished formed by a convex
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उत्तर
If the magnification produced by a lens is - 0.5, the correct statement is the images is real and diminished formed by a convex.
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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.
What information about the nature of image is real or virtual, do you get from the sign of magnification + or -?
What are conjugate foci?
Why is the focal length of the lens, used as a magnifying glass, kept short?
What information we seek by the linear magnification of the image when it is positive or negative?
A convex lens produces on a screen an image twice the size of the object. If the position of image and object be interchanged, what will be the magnification then?
What is a simple microscope or a magnifying glass? Draw a ray diagram to show its function.
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.
Write an expression for the magnifying power of a simple microscope. How can it be increased?
State two uses of magnifying glass.
