1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Lens' equation (optics)

  1. Feb 12, 2009 #1
    For the Lens' equation

    1/f = 1/u + 1/v

    why can both the x- and y-intercepts be considered equal to 1/f?
  2. jcsd
  3. Feb 12, 2009 #2
    When u becomes infinite what does 1/u become?What happens when v becomes infinite?
    Last edited: Feb 12, 2009
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook