Question

an inverted image is magnified by 2 when the object is placed 22cm in front of a concave mirror determine the image distance and the focal length of the mirror​

Answer 1

Here,

m=-2

u=-22 cm

Therefore,

m=(-v)/u

=>mu= -v

=>(-2×-22)=-v

=>44=-v

=>v=-44 cm

Answer 2

v= -44cm

this is the answer