Question

suppos object distance is 3cm in front of the mirror. Image distance is 12cm in front of the mirror. find magnification​

Answer 1

u = -3                                            u & v are -ve because they are in front of the

v = -12                                           mirror

m= -v/u

m= -(-12) / (-3)

m = -12/3

m = -4

hope u understand it