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idkman
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idkman
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Physics
It's Physics day!
Another question with a possible wrong answer. I got 3540. Here's the question.
Light of wavelength 630 nm travels through a diffraction grating. A third-order bright fringe is observed at 42.0°. How many lines per cm does the diffraction
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idkman
Mar 19, 2014
#5
+6
0
Not quite sure how I got 5.9, but when I actually tried, I got 10.5 cm, 3 times in a row. I'll notify my instructor, although, I'm in DAEP, which isn't for the 'smart' ones, so I doubt college physics is a popular class here. lol.
idkman
Mar 7, 2014
+6 
