A mirror formula may be defined as the formula which gives the relationship between the distance of image v, distance of object u, and the focal length of a mirror. It may be written as,
where, v = Distance of image from pole of mirror
u = Distance of object from pole of mirror
and, f = Focal length of the mirror
The mirror formula is applicable both in spherical mirrors (concave mirrors and convex mirrors) and in plane mirrors.
Test Your Understanding and Answer These Questions:
- Define mirror formula.
- Derive mirror formula of a concave mirrors.
- How is mirror formula applicable in plane mirrors?
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