Java Security Update: Oracle has updated the security settings needed to run Physlets.
Click here for help on updating Java and setting Java security.
Problem 38.6: Number of slits per millimeter in diffraction grating
Please wait for the animation to completely load.
This animation models a diffraction grating that is a series of parallel slits in a material. As you change the wavelength, notice where the bright spots are. You can move the protractor around to measure angles (position is given in centimeters and angle is given in degrees). Restart. How many slits per millimeter does the diffraction grating have?
Problem authored by Anne J. Cox.
Script authored by Anne J. Cox and Morten Brydensholt.