The first-order line of 589 nanometer light falling on a
The first-order line of 589 nanometer light falling on a diffraction grating is observed at a 15 degree angle.
(a) Determine how far apart are the slits?
(b) Find at what angle will the third order be observed?
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the first-order line of 589 nanometer light falling on a diffraction grating is observed at a 15 degree anglea
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