A laser beam is projected through a diffraction grating
A laser beam is projected through a diffraction grating which has a slit to slit separation of 2 microm (5000 lines/cm). The angle between the central maximum and the 2nd order spot is 25 degrees. What is the wavelength of the laser?
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a laser beam is projected through a diffraction grating which has a slit to slit separation of 2 microm 5000 linescm
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