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प्रश्न
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
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उत्तर
Focal length =25 cm.
Object distance = 20 cm.
Height o f object = 10 cm.
The image is virtual, erect, and diminished.
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संबंधित प्रश्न
What type of image is formed:
in a plane mirror?
The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
Draw a ray diagram to show the formation of image by a concave mirror for the object beyond its centre of curvature. State three characteristics of the image.
Define the following term in relation to concave mirror.
Focal length
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
