Advertisements
Advertisements
प्रश्न
What is a magnifying glass?
Advertisements
उत्तर
A magnifying glass is a convex lens of short focal length. It is mounted in a lens holder for practical use.
APPEARS IN
संबंधित प्रश्न
A lens forms an erect, magnified and virtual image of an object.Draw a ray diagram to show the formation of 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?
If the magnification produced by a lens is - 0.5, the correct statement is ______.
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?
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.
The magnification by a lens is -3. 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 ______.
Will the image formed by a magnifying glass be real or virtual?
What information we seek by the linear magnification of the image when it is positive or negative?
State two uses of magnifying glass.
