Advertisements
Advertisements
प्रश्न
A lens forms an erect, magnified, and virtual image of an object. Where is the object placed in relation to the lens?
उत्तर
The object is placed between the lens and focus (F1).
APPEARS IN
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.Draw a ray diagram to show the formation of image.
A magnifying glass forms ______.
Ray diagram for the formation of image by a magnifying glass.
The focal length of a convex lens is 25 cm. At what distance from the optical centre of the lens an object be placed to obtain a virtual image of twice the size?
What information we seek by the linear magnification of the image when it is positive or negative?
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?
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.
Write an expression for the magnifying power of a simple microscope. How can it be increased?
State two uses of magnifying glass.
