Question

If a man's face is 25cm in front of concave shaving Mirror poducing an erect image 1.5 times the size of the face, the
focal length of the mirror would be
​

Answer 1

Answer:

If a man's face is 25cm in front of concave shaving Mirror poducing an erect image 1.5 times the size of the face, the

focal length of the mirror would be

​