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प्रश्न
Name the mirror which always produces an erect and virtual image. How is the size of image related to the size of object?
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उत्तर
Convex mirror always produces erect and virtual images. The images formed are diminished, i.e. the size of the image is shorter than the size of the object.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal focus
Define Radius of curvature of the spherical mirror
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
- What will be the focal length of this mirror?
- Which type of spherical mirror will it provide?
- State whether this spherical mirror will diverge or converge light rays.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
The erect image formed by a concave mirror is of size double the size of object. How are u and v related?
Define the following term:
concave mirror
Define the term Aperture.
Find the height of the image of a body of height 1.5m in a mirror with a magnification of 1.5.
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
