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प्रश्न
A lens forms an erect, magnified and virtual image of an object.Draw a ray diagram to show the formation of image.
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उत्तर
संबंधित प्रश्न
If the magnification produced by a lens is - 0.5, the correct statement is ______.
The maximum magnifying power of a convex lens of focal length 5 cm can be ______.
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?
Define magnification produced by a lens. State its unit.
Name the lens for which magnification can be 1. For what position of the object will the magnification be 1?
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.
(i) Draw a ray diagram to show how the lens can be used as a ‘magnifying glass’? State the nature of the lens.
(ii) In what respect does the image in (i) above different from the image formed by a concave lens?
Write an expression for the magnifying power of a simple microscope. How can it be increased?
State two uses of magnifying glass.
