1.

25. An object is placed at a distance of 2f in front of a concave mirror of focal length f. Themagnification produced is(a) 2(b) 1

Answer»

U=-2f

V=?

1/u+1/v=1/f

1/-2f + 1/v = 1 /f

1/v= 1/f + 1/2f

V = 2f/3

Now, m=-v/u

=-2f/3*-2f

=1/3



Discussion

No Comment Found

Related InterviewSolutions