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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. |
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उत्तर
| Column I | Column II | ||
| (a) | A plane mirror | (v) | The image is erect and of the same size as the object |
| (b) | A convex mirror | (ii) | Can form image of objects spread over a large area. |
| (vi) | The image is erect and smaller in size than the object. | ||
| (c) | A convex lens | (i) | Used as a magnifying glass. |
| (d) | A concave mirror | (iii) | Used by dentists to see enlarged image of teeth. |
| (e) | A concave lens | (vi) | The image is erect and smaller in size than the object. |
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संबंधित प्रश्न
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror of convex mirror)? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.
The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).
A concave lens produces an image 20 cm from the lens of an object placed 30 cm from the lens. The focal length of the lens is:
(a) 50 cm
(b) 40 cm
(c) 60 cm
(d) 30 cm
State the two kinds of spherical mirror and distinguish them with the aid of proper diagrams.
How is the focal length of a spherical mirror related to its radius
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
Define linear magnification produced by a mirror?
The diagram below shows the parallel rays incident on a convex mirror. C is the centre of the curvature of the mirror. By drawing the paths of the reflected rays, label the focus F and hence find the focal length of the mirror.
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
