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प्रश्न
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उत्तर
Magnification = height of image / height of object.
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संबंधित प्रश्न
A virtual image larger than the object can be produced by a ______.
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
What do you understand by the focus and focal length of a spherical mirror? Show them on the separate diagrams for each of a concave mirror and a convex mirror.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
Name the kind of mirror used to obtain :
A real and enlarged image
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
Define the following term:
convex mirror
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
