diff options
Diffstat (limited to '1847/CH3/EX3.43')
| -rwxr-xr-x | 1847/CH3/EX3.43/Ch03Ex43.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/1847/CH3/EX3.43/Ch03Ex43.sce b/1847/CH3/EX3.43/Ch03Ex43.sce new file mode 100755 index 000000000..e91147f0c --- /dev/null +++ b/1847/CH3/EX3.43/Ch03Ex43.sce @@ -0,0 +1,14 @@ +// Scilab Code EX3.43:: Page-3.57 (2009) +clc;clear; +lambda1 = 5890e-008; // Wavelength of sodium D1 line, cm +lambda2 = 5896e-008; // Wavelength of sodium D2 line, cm +d_lambda = lambda2-lambda1; // Wavelength difference, cm +n = 3; // Order of diffraction +P = 2500; // Number of lines per unit length of grating +// As lambda/d_lambda = n*N, solving for N +N = 1/n*(lambda1+lambda2)/(2*d_lambda); // Total lines on the grating +w = N/P; // Minimum width of the grating, cm +printf("\nThe minimum width of the grating to resolve the sodium lines in third order = %5.3f cm", w); + +// Result +// The minimum width of the grating to resolve the sodium lines in third order = 0.131 cm |