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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.
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उत्तर
at the centre of curvature.
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संबंधित प्रश्न
We wish to obtain an erect image of an object, using a concave mirror of focal length 15 cm. What should be the range of distance of the object from the mirror? What is the nature of the image? Is the image larger or smaller than the object? Draw a ray diagram to show the image formation in this case.
State where an object must be placed so that the image formed by a concave mirror is:
(b) at infinity.
(c) the same size as the object.
In the concave reflector of a torch, the bulb is placed:
(a) between the pole and focus of reflector
(b) at the focus of reflector
(c) between focus and centre of curvature of reflector
(d) at the centre of curvature of reflector
An object is 24 cm away from a concave mirror and its image is 16 cm from the mirror. Find the focal length and radius of curvature of the mirror, and the magnification of the image.
Draw a ray diagram to show the formation of image of an object placed at the centre of curvature of a concave mirror. State the position, size and nature of the image.
State whether true or false. If false, correct the statement.
When an object is at the centre of curvature of concave mirror the image formed will be virtual and erect.
In torches, searchlights, and headlights of vehicles, the bulb is placed ______ of the concave mirror.
Write the uses of the concave mirror.
Which type of mirror is used in the following?
Floodlights
