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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
An image formed by a ______ mirror is always of the same size as that of the object.
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
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).
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
In the following figure shows a concave mirror with its pole (P), focus (F) and centre of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
