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प्रश्न
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उत्तर
(i) When position of object is at infinity, concave mirror forms a point and Real image at Focus point.
(ii) When position of object is beyond C, concave mirror forms a Diminished, Real and inverted image between F and C.
(iii)When position of object is at C, concave mirror forms a Magnified, Real and inverted image at C.
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संबंधित प्रश्न
Write down four characteristics of image formed in a plane mirror.
An object is placed 2 cm from a plane mirror. If the object is moved by 1 cm towards the mirror, what will be the distance between the object and its new image?
An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
- the position of image
- focal length of the concave mirror.
A converging mirror, forms three times magnified virtual image when an object is placed at a distance of 8 cm from it. Calculate:
- the position of the image
- the focal length of the mirror.
Give two uses of concave mirror.
An object OA is placed on the principal axis of a concave mirror as shown in the figure. Copy and complete the diagram to show the formation of image.
Identify the following kind of beam of light.
Plane mirrors are used as looking glass, to reflect light on objects and in periscopes.
