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प्रश्न
The image formed by a concave mirror is of the same size as the object, if the object is placed
पर्याय
at the focus
between the pole and focus
between the focus and centre of curvature
at the centre of curvature.
उत्तर
at the centre of curvature.
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संबंधित प्रश्न
An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed, so that a sharp focused image can be obtained? Find the size and the nature of the image.
The angle between an incident ray and the plane mirror is 30°. The total angle between the incident ray and reflected ray will be:
(a) 30°
(b) 60°
(c) 90°
(d) 120°
ill in the following blank with suitable word:
For a convex mirror, parallel rays of light appear to diverge from a point called the ......... .
Explain why, concave mirrors are used as shaving mirrors.
The real image formed by a concave mirror is larger than the object when object is:
(a) at a distance equal to radius of curvature
(b) at a distance less than the focal length
(c) between focus and centre of curvature
(d) at a distance greater than radius of curvature
An object 3 cm high is placed at a distance of 10 cm in front of a converging mirror of focal length 20 cm. Find the position, nature, and size of the image formed.
A convex mirror is used as a shaving mirror.
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Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?
To obtain an image twice the size of the object, between which two points related to a concave mirror should an object be placed?
