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प्रश्न
Define the term Principle focus.
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उत्तर
Principal focus of a spherical mirror is a point on the principal axis of the mirror, where all the rays travelling parallel to the principal axis and close to it after reflection from the mirror, converge to or appear to diverge from.
संबंधित प्रश्न
We can obtain a real, enlarged and inverted image by a concave mirror.
Name the kind of mirror used to obtain:
A virtual and enlarged image
How is the focal length of a spherical mirror related to its radius of curvature?
State two uses of a concave mirror.
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
The following figure shows a concave mirror with its pole (P), focus (F), and center of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
An object is placed in front of a concave mirror as shown in the following figure. By scale drawing, find the nature of the image. Given f = 10 cm, v = 30 cm.
