Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
diffraction grating calculator, wavelength 500 nm and slit separation distance 0.2 mm
diffraction grating calculator, wavelength 500 nm and slit separation distance 0.2 mm
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random