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The bright yellow sodium line in the sodium spectrum is actually a pair of closely spaced...

The bright yellow sodium line in the sodium spectrum is actually a pair of closely spaced lines at 589.0 nm and 589.6 nm. You observe the sodium spectrum using a diffraction grating with a spacing of 1700 nm . Part A- Find the angular separation between the two sodium lines in first order. Part B- Find the angular separation between the two sodium lines in second order.

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The conditi on for central mazima for diffraction is , (쓸) -1 Here, mis the order of the fringe, d is the separati on of the

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