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प्रश्न
A shop security mirror 5.0 m from certain items displayed in the shop produces on-tenth magnification.
What is the type of mirror?
उत्तर
It is a convex mirror, as it has a wide area of view.
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संबंधित प्रश्न
An object is placed at a distance of 40 cm in front of a convex mirror of radius of curvature 40 cm. List four characteristics of the image formed by the mirror.
What is meant by (i) principal focus of a convex mirror, and (ii) focal length of a convex mirror?
What type of image/images are formed by:
a concave mirror?
Give two uses of a convex mirror. Explain why you would choose convex mirror for these uses.
What happens to the image when the object is moved away from the mirror gradually?
Two big mirrors A and B are fitted side by side on a wall. A man is standing at such a distance from the wall that he can see the erect image of his face in both the mirrors. When the man starts walking towards the mirrors, he find that the size of his face in mirror A goes on increasing but that in mirror B remains the same.
(a) mirror A is concave and mirror B is convex
(b) mirror A is plane and mirror B is concave
(c) mirror A is concave and mirror B is plane
(d) mirror A is convex and mirror B is concave
The angle formed between the normal and the refracted ray is known as the angle of incidence.
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
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.
Which type of mirror is used in the following?
Street lights
