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प्रश्न
Explain the images formed by a concave mirror.
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उत्तर
| Position of Object | Position of The Image | Image Size | Nature of the Image |
| At infinity | At F | Highly diminished | Real and inverted |
| Beyond C | Between C and F | diminished | Real and inverted |
| At C | At C | Same size as the object | Real and inverted |
| Between C and F | Beyond C | Magnified | Real and inverted |
| At F | At infinity | Highly magnified | Real and inverted |
| Between F and P | Behind the mirror | Magnified | Virtual and erect |
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संबंधित प्रश्न
With the help of an appropriate ray diagram, state the sign conventions for reflection by a spherical mirror.
A ray of light is incident on a plane mirror making an angle of 90° with the mirror surface. The angle of reflection for this ray of light will be:
(a) 45°
(b) 90°
(c) 0°
(d) 60°
For what position of an object, a concave mirror forms a real image equal in size to the object?
The focal length of a small concave mirror is 2.5 cm. In order to use this concave mirror as a dentist's mirror, the distance of tooth from the mirror should be:
(a) 2.5 cm
(b) 1.5 cm
(c) 4.5 cm
(d) 3.5 cm
How far should an object be placed from the pole of a converging mirror of focal length 20cm to form a real image of the size exactly `1/4`th the size of the object?
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Which of the following are concave mirrors and which convex mirrors?
Draw a ray diagram to show the formation of image of an object placed between the focus and centre of curvature of a concave mirror. State the position, size and nature of the image.
A concave mirror produces a magnification of +4. The object is placed ______.
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?
