Advertisements
Advertisements
Question
A lens forms an upright and diminished image of an object irrespective of its position. What kind of lens is this?
Solution
Concave lens
APPEARS IN
RELATED QUESTIONS
Where must the object be placed for the image formed by a converging lens to be:
real, inverted and smaller than the object?
Where must the object be placed for the image formed by a converging lens to be:
real, inverted and larger than the object?
Draw a diagram to show how a converging lens focusses parallel rays of light?
An object 2 cm tall stands on the principal axis of a converging lens of focal length 8 cm. Find the position, nature and size of the image formed if the object is:
(i) 12 cm from the lens
(ii) 6 cm from the lens
State one practical application each of the use of such a lens with the object in position (i) and (ii).
An object lies at a distance of 2f from a concave lens of focal length f. Draw a ray-diagram to illustrate the image formation.
How would a pencil look like if you saw it through
a concave lens Is the image real or virtual?
An object 60 cm from a lens gives a virtual image at a distance of 20 cm in front of the lens. What is the focal length of the lens? Is the lens converging or diverging? Give reasons for your answer.
A concave lens, if kept at a proper distance from an object, can form its real image.
A concave lens forms the image of an object which is ______.
When an object is kept within the focus of a concave mirror, an enlarged image is formed behind the mirror. This image is :
