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Is the first order spectra wider than the second order spectra in a diffraction grating experiment?
Wiki User
∙ 9y ago
NO. Recall sin@ = N m L. Here N is number of slits per unit length, m the order and L (lambda) the wavelength of light. As m = 2 then @ for different colours would be larger and so wider
Wiki User
∙ 9y ago
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