# A magnifying glass of focal length 5cm is used to view an object by a person whose smallest distance of distinct vision is 25cm. If he holds the glass

29 views
in Physics
closed
A magnifying glass of focal length 5cm is used to view an object by a person whose smallest distance of distinct vision is 25cm. If he holds the glass close to eye, then the magnification is
A. 5
B. 6
C. 2.5
D. 3

by (90.6k points)
selected by

Given f=5cm, D=25cm
therefore Magnification m=1+(D)/(f)
m=1+(25)/(5)=6