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प्रश्न
What type of mirror should be used as a shop security mirror?
उत्तर
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.
Which mirror has a wider field of view?
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.
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
A convex mirror is used
When the reflecting surface is curved outwards the mirror formed will be ______.
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between the focus and device, image formed is enlarged and on the same side as that of the object.
The Convex mirror always forms ______ and ______ image.
A boy is standing at a distance of 3m in front of a plane mirror. The distance between the boy and his image is ______m.
Assertion: A real image cannot be produced by plane or convex mirror.
Reason: The focal length of a convex mirror is always taken as positive.
