Light and Reflection -
Magnification Chart For Mirrors
Q: What is Magnification?
Answer: The ratio of height of image to the height of an object is known as magnification of an image and is denoted as m.
Image height h' -v
m = -------------------- = ---- = ----
Object height h u
The +ve value of magnification represents virtual image of an object.
The -ve value of magnification represents real image of an object.
Q: Using magnification formula, prove that image formed by a plane mirror is at the same distance as object but behind the mirror. It is given that in plane mirror, object height and image height are equal.
