Advertisements
Advertisements
प्रश्न
What information we seek by the linear magnification of the image when it is positive or negative?
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
What is a magnifying glass?
Draw a neat labelled ray diagram to show the formation of an image by a magnifying glass. State three characteristics of the image.
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?
The magnification by a lens is -3. Name the lens and state how are u and v related?
What are conjugate foci?
Name the lens used as a magnifying glass.
How is the magnification (m) produced by a lens related to the object distance (u) and the image distance (v)?
Show with the help of a ray diagram, the path of the ray when incident normally on the first surface of the glass block, through the block and the liquid.
What is a simple microscope or a magnifying glass? Draw a ray diagram to show its function.
State two uses of magnifying glass.
