Stack Exchange Network
Stack Exchange network consists of 181 Q&A communities including
Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Visit Stack Exchange
Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. It only takes a minute to sign up.
Sign up to join this community
Anybody can ask a question
The best answers are voted up and rise to the top
4 days ago
are considered off-topic here, particularly when asking about specific computations instead of underlying physics concepts. Homework questions can be on-topic when they are useful to a broader audience. Note that answers to homework questions with complete solutions may be deleted!
Please help the asker edit the question so that it asks about the underlying physics concepts instead of specific computations. If there are any complete answers, please flag them for moderator attention.
An object is placed in front of a convex lens. The image formed has a linear magnification of 2. The object is then moved towards the lens by 10 cm. Another image of the same linear magnification is formed. What is the focal length of the lens?
184k 38 38 gold badges 477 477 silver badges 2115 2115 bronze badges
is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our
Code of Conduct
By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our
Accept all cookies
Necessary cookies only