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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. |
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
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
A coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
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.
Select the correct option:
Which mirror is used in periscope?
An object is placed in front of a concave mirror as shown in the following figure. By scale drawing, find the nature of the image. Given f = 10 cm, v = 30 cm.
