The length of real image of an object is twice the length of an object , placed at 25cm from a convex lens . Find the power of convex lens .
Answers
Answered by
5
Answer:
POWER OF LENS IS 2D.
Explanation:
SINCE V=2U
THEREFORE, V=50cm
THEREFORE, F=+50cm
POWER OF LENS =100/F (in cm)
THEREFORE POWER=100/50
=2D.
Similar questions