Advertisements
Advertisements
प्रश्न
What information we seek by the linear magnification of the image when it is positive or negative?
Advertisements
उत्तर
If magnification is positive, then the image will be real and inverted, and if negative then the image will be virtual and erect.
APPEARS IN
संबंधित प्रश्न
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?
The magnification by a lens is +0.5. Name the lens and state how are u and v related?
The maximum magnifying power of a convex lens of focal length 5 cm can be ______.
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.
What is a simple microscope or a magnifying glass? Draw a ray diagram to show its function.
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.
