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प्रश्न
When the reflecting surface is curved outwards the mirror formed will be ______.
विकल्प
concave mirror
convex mirror
plane mirror
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उत्तर
When the reflecting surface is curved outwards the mirror formed will be convex mirror
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संबंधित प्रश्न
An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image.
Describe with a suitable diagram, how a convex mirror diverges a parallel beam of light rays. Mark clearly the pole, focus and centre of curvature of convex mirror in this diagram.
Which type of mirror has:
- positive focal length?
- negative focal length?
What happens to the image when the object is moved away from the mirror gradually?
A man standing in front of a special mirror finds his image having a very small head, a fat body and legs of normal size. What is the shape of:
(a) top part of the mirror?
(b) middle part of the mirror?
(c) bottom part of the mirror?
Give reasons for your choice.
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:
between F1 and the optical centre O of the lens.
Which of the above two cases shows the use of convex lens as a magnifying glass? Give reasons for your choice.
An object is placed at a distance of 100 cm from each of the above lenses A and B. Calculate
- image distance, and
- magnification, in each of the two cases.
A convex mirror is used
The Convex mirror always forms ______ and ______ image.
As you move an object always from a convex mirror, its image becomes ______
and moves towards ______.
