A laser beam of wavelength 4880 nm is shined on a grating
A laser beam of wavelength 488.0 nm is shined on a grating of grating constant 15000 lines per inch. What is the maximum order can be observed?
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A laser beam of wavelength 488.0 nm is shined on a grating of grating constant 15000 lines per inch. What is the maximum order can be observed
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