1. Not finding help here? Sign up for a free 30min 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!

Neon laser grade 12 physics

  1. Aug 27, 2012 #1
    A single slit is illuminated with a helium-neon laser whose wavelength is 633 nm. If the slit width is 2.2 x 10 e-5 m, calculate the position of the third maximum in degrees


    2. Relevant equations

    Sin Theta(m) = (m + 0.5) Lambda/w

    3. The attempt at a solution

    Sin Theta(3) = (3 + 0.5)(633 x 10 e-9)/2.2 x 10 e-5
    =(3.5)(633 x 10 e-9)/2.2 x 10 e-5
    =0.1

    Theta(3) = sin-1(0.1)
    =5.7 degrees

    Therefore, the position of the third maximum is at 5.7 degrees


    is this right?!
     
  2. jcsd
  3. Aug 27, 2012 #2

    SammyS

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper
    Gold Member

    That looks good to me.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Neon laser grade 12 physics
  1. Grade 12 Physics Lab (Replies: 5)

Loading...