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Question
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
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Solution
(a) Concave mirror
(b) Concave mirror
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RELATED QUESTIONS
Explain the following term related to spherical lenses: focal length
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.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
State whether this spherical mirror will diverge or converge light rays.
For what position of object, the image formed by a concave mirror is magnified and erect?
Does the mirror mentioned in part (b) form real image for all locations of the object?
Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.
Define the term Centre of curvature.
The radius of curvature of a spherical mirror is 18 cm. What is the focal length of this mirror?
The image formed in a plane mirror is always inverted.
