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प्रश्न
The following diagram shows an object AB and a converging lens L with foci F1 and F2 State three characteristics of the image in relation to the object.
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उत्तर
The image formed will be erect, virtual and enlarged.
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संबंधित प्रश्न
What is a magnifying glass?
Ray diagram for the formation of image by a magnifying glass.
The magnification by a lens is -3. Name the lens and state how are u and v related?
Why is the focal length of the lens, used as a magnifying glass, kept short?
Name the lens for which magnification can be 1. For what position of the object will the magnification be 1?
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?
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.
Draw a neat diagram to explain the action of a convergent (convex) lens as a reading glass (or magnifying glass). State the characteristics of the image formed.
Copy and complete the following ray diagram.
Write an expression for the magnifying power of a simple microscope. How can it be increased?
