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प्रश्न
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संबंधित प्रश्न
An image formed by a ______ mirror is always of the same size as that of the object.
What type of image is formed:
in a plane mirror?
Write the mirror formula. Give the meaning of each symbol which occurs in it.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
Which type of spherical mirror will it provide?
State the two kinds of spherical mirror and distinguish them with the aid of proper diagrams.
When an object of height 1 cm is kept at a distance 4 cm from a concave mirror, its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. Find the focal length of mirror, by drawing.
Draw a ray diagram in each of the following cases to show the formation of image, when the object is placed :
(i) between the optical centre and principal focus of a convex lens.
(ii) anywhere in front of a concave lens.
(iii) at 2F of a convex lens.
State the signs and values of magnifications in the above-mentioned cases (i) and (ii).
A shopkeeper wanted to fix a mirror that will give a maximum view of his shop. What type of mirror should he use? Give reason.
The image formed in a plane mirror is always inverted.