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: Application of properties of the light

  1. Mar 13, 2008 #1
    you find two unlabelled diffraction gratings in your lab. from purchase records, you know that one grating has 500lines/cm, while the other has 10000lines/cm Given the following equipement, describe how you would determine which is the grating with 10 000lines/cm: red laser, detection screen, the two unknown dffraction gratings. no idea:(..need help
  2. jcsd
  3. Mar 14, 2008 #2
    Can anyone help me please....
  4. Mar 14, 2008 #3
    Can anyone help me here pleaseeeeeeeeeeeeeeee..:(
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook