Home » Ask Physics » A Numerical from Combination of thin lenses in contact

A Numerical from Combination of thin lenses in contact

Two thin lenses of focal lengths f1=20cm and f2=60cm are placed in contact. find the focal length f3 of the combined lenses. find also the focal length f of a third lens placed in contact with these two that would result in overall focal length f11=-40cm. (Asked Young)

Visitors So Far @ AskPhysics

  • 2,062,790 hits

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 4,002 other subscribers

askphysics@Twitter

  • FTL (Faster Than Light)¬†Communication https://t.co/3crfAyliqK https://t.co/wjBxIwLR9e
    about 1 month ago
%d bloggers like this: