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Question
Name the lens used as a magnifying glass.
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Solution
Convex (or converging) lens is used as a magnifying glass.
RELATED QUESTIONS
Draw a neat labelled ray diagram to show the formation of an image by a magnifying glass. State three characteristics of the image.
Where is the object placed with respect to the principal focus of a magnifying glass, so as to see its enlarged image? Where is the image obtained?
What information about the nature of image is real or virtual, do you get from the sign of magnification + or -?
If the magnification produced by a lens is - 0.5, the correct statement is ______.
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?
Name the lens for which magnification is always less than 1.
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.
Copy and complete the following ray diagram.

An object AB is placed between 2F1 and F1 on the principal axis of a convex lens as shown in the diagram. Copy the diagram and using three rays starting from point A, obtain the image of the object formed by the lens.

