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प्रश्न
Where should an object be placed in front of the concave mirror so as to obtain its virtual, erect and magnified image?
उत्तर
The object should be placed within the focus (between the pole and the focus) and in front of the concave mirror in order to obtain a virtual, erect and magnified image.
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संबंधित प्रश्न
For which positions of the object does a concave mirror produce an inverted, magnified an real image?
Which one of these circumstances enables a concave mirror to be used as a shaving mirror?
What is the nature of image formed by a concave mirror if the magnification produced by the mirror
−2?
What is the ratio of the height of an image to the height of an object known as?
Fill in the following blank with suitable word:
If the magnification has a plus sign, than image is ......... and.........
A lens of focal length 12 cm forms an erect image three times the size of the object. The distance between the object and image is ______.
A small object is so placed in front of a convex lens of 5 cm focal length that a virtual image is formed at a distance of 25 cm. Find the magnification.
An object is placed at a distance of 100 cm from a converging lens of focal length 40 cm.
(i) What is the nature of image?
(ii) What is the position of image?
If a magnification of, –1 (minus 1) is obtained by using a converging lens, then the object has to be placed:
(a) within f
(b) at 2f
(c) beyond 2f
(d) at infinity
What do you mean by linear magnification?
