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प्रश्न
Name the kind of mirror used to obtain :
A real and enlarged image
उत्तर
Concave
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संबंधित प्रश्न
Match the items given in Column I with one or more items of Column II.
Column I | Column II | ||
(a) | A plane mirror | (i) | Used as a magnifying glass. |
(b) | A convex mirror | (ii) | Can form image of objects spread over a large area. |
(c) | A convex lens | (iii) | Used by dentists to see enlarged image of teeth. |
(d) | A concave mirror | (iv) | The image is always inverted and magnified. |
(e) | A concave lens | (v) | The image is erect and of the same size as the object. |
(vi) | The image is erect and smaller in size than the object. |
Give one use each of a concave and a convex mirror.
A ray of light travels from a denser medium to a rarer medium. How will it bend?
State two uses of a concave mirror.
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it.
Find : (a) the focal length of the mirror (b) position of image
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
What is the relation between focal length and radius of curvature of a concave mirror?
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
Spherical mirrors are one form of ______ mirrors.