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manya12Lv1
15 Jun 2021
Three discrete spectral lines occur at angles of 10.0°, 13.8°, and 14.9°, respectively, in the first-order spectrum of a diffraction grating spectrometer.
(a) If the grating has 3750 slits/cm, what are the wavelengths of the light?
𝜆1
= nm (10.0°)
𝜆2
= nm (13.8°)
𝜆3
= nm (14.9°)
(b) At what angles are these lines found in the second-order spectra?
𝜃
= ° (𝜆1)
𝜃
= ° (𝜆2)
𝜃
= ° (𝜆3)
Three discrete spectral lines occur at angles of 10.0°, 13.8°, and 14.9°, respectively, in the first-order spectrum of a diffraction grating spectrometer.
(a) If the grating has 3750 slits/cm, what are the wavelengths of the light? 𝜆1 = nm (10.0°) 𝜆2 = nm (13.8°) 𝜆3 = nm (14.9°)(b) At what angles are these lines found in the second-order spectra? 𝜃 = ° (𝜆1) 𝜃 = ° (𝜆2) 𝜃 = ° (𝜆3)
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16 Jun 2021
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15 Jun 2021
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