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प्रश्न
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
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उत्तर
A concave mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
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संबंधित प्रश्न
An object is placed at a distance of 40 cm in front of a convex mirror of radius of curvature 40 cm. List four characteristics of the image formed by the mirror.
Which mirror has a wider field of view?
A ray of light of going towards the focus of a convex mirror becomes parallel to the principal axis after reflection from the mirror. Draw a labelled diagram to represent this situation.
Fill in the following blank with a suitable word:
A ray of light which is parallel to the principal axis of a convex mirror, appears to be coming from ............ after reflection from the mirror.
The image formed by a spherical mirror is virtual. The mirror will be:
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
Write true or false
The focal length of a convex mirror is equal to its radius of curvature.
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between the focus and device, image formed is enlarged and on the same side as that of the object.
A boy is standing at a distance of 3m in front of a plane mirror. The distance between the boy and his image is ______m.
Which type of mirror is used in the following?
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