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

Subscribe to this site by email

Loading

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)

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Hits so far @ AskPhysics

  • 2,241,034 hits

Subscribe to AskPhysics via Email

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

Join 4,336 other subscribers

October 2020
M T W T F S S
 1234
567891011
12131415161718
19202122232425
262728293031  

Schrodinger’s Cat in Daily Life

%d bloggers like this: