Question

what is mirror formula​

Answer 1

A mirror formula can be defined as the formula which gives the relationship between the distance of object 'u', the distance of image 'v', and the focal length of the mirror 'f'.

Answer 2

$\sf \red {Mirror \: formula:} \: \sf \bold \green{( \frac{1}{f} ) = ( \frac{1}{v} ) + ( \frac{1}{u} )}$