Advertisements
Advertisements
Question
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?
Advertisements
Solution
On interchanging the position of image and object, the magnification will be 1/2.
RELATED QUESTIONS
The speed of light in air is 3 × 108 m s-1. Calculate the speed of light in glass. The refractive index of glass is 1.5
Draw a neat labelled ray diagram to show the formation of an image by a magnifying glass. State three characteristics of the image.
Define magnifying power of a simple microscope. How can it be increased?
The magnification by a lens is -3. Name the lens and state how are u and v related?
Name the lens used as a magnifying glass.
Will the image formed by a magnifying glass be real or virtual?
Define magnification produced by a lens. State its unit.
How is the magnification (m) produced by a lens related to the object distance (u) and the image distance (v)?
Copy and complete the following ray diagram.
State two uses of magnifying glass.
