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Eduncle posted an Question
October 20, 2019 • 00:43 am 0 points
  • IIT JAM
  • Physics (PH)

Light of wavelength 680 nm is incident normally on a diffraction grating having 4000 lines/cm.

Light of wavelength 680 nm is incident normally on a diffraction grating having 4000 lines/cm. The diffraction angle (in degrees) corresponding to the third-order maximum is ________ (Round off to 2 decimal places)

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