If the magnification of a virtual image formed of an object 10cm from a convex lens is 3, then the focal length of the lens is
Correct Answer: Option B
V = 3u, U = 10cm
V = 10 × 3 =30cm
Since, we are dealing with a vertual image, V = -ve,
F = UV/(U+V)
Explain your answer in the comment box below and let’s have a discussion so as to have a great understanding of this question!
GO BACK TO THE PAST QUESTIONS PAGE
If you find this post beneficial, feel free to use the share button to share with friends.
Follow us on our Facebook page and subscribe to this website for more updates by hitting on the bell icon by the bottom left corner of your screen!
His Name is Tiamiyu Abdulbazeet Olawale. He is a student at the University of Ilorin studying Electrical and Electronics Engineering. He likes to give the latest updates about Nigeria and international institutions as he aims at helping people to lay their hands on the right information.