Question

In order to produce an image with magnification 'm' , a concave mirror of focal length 'f' is used. If the object is kept at a distance 'd' from the mirror, then (m-1)f equals
A) md
B) m/(d+1)
C) m/d
D) 1/(md)

Answer 1

here is u r answer.
b .is right answer

Answer 2

Answer:

B is your correct answer beb......