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प्रश्न
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.
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उत्तर
(i) The lens is convex.
(ii)
संबंधित 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.
A lens forms an erect, magnified, and virtual image of an object. Where is the object placed in relation to the lens?
What is a magnifying glass?
Draw a neat labelled ray diagram to show the formation of an image by a magnifying glass. State three characteristics of the image.
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.
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)?
What is a simple microscope or a magnifying glass? Draw a ray diagram to show its function.
Copy and complete the following ray diagram.
What is a magnifying glass (or a simple microscope)? Draw a ray diagram to show how a convex lens may be used as a magnifying glass. Where should the object be placed? State three characteristics of the image formed.
