Advertisements
Advertisements
Question
Define magnification produced by a lens. State its unit.
Advertisements
Solution
The magnification produced by a lens is defined as the ratio of the size of the image to the size of the object, i.e.,
Magnification (m) = `"Size of the image"/"Size of the object"`
It has no unit.
RELATED QUESTIONS
A lens forms an erect, magnified, and virtual image of an object. Name the device which uses this principle.
What is a magnifying glass?
If the magnification produced by a lens is - 0.5, the correct statement is ______.
What are conjugate foci?
Define the term magnifying power of a simple microscope. How does it depend on the focal length of the lens used?
Name the lens used as a magnifying glass.
Will the image formed by a magnifying glass be real or virtual?
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?
Copy and complete the following ray diagram.

