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प्रश्न
Name the kind of mirror used to obtain
(a) a real and enlarged image
(b) a virtual and enlarged image
(c) a real and diminished image, and
(d) a virtual and diminished image.
उत्तर
a) Concave
b) Concave
c) Concave
d) Convex
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
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. |
Name the spherical mirror which can produce a real and diminished image of an object.
What do you mean by the term dispersion?
Name the kind of mirror used to obtain:
A virtual and enlarged image
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
Define the following term:
convex mirror
Spherical mirrors are one form of ______ mirrors.
