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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2780/CH3/EX3.19 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2780/CH3/EX3.19')
| -rwxr-xr-x | 2780/CH3/EX3.19/Ex3_19.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/2780/CH3/EX3.19/Ex3_19.sce b/2780/CH3/EX3.19/Ex3_19.sce new file mode 100755 index 000000000..9844e9764 --- /dev/null +++ b/2780/CH3/EX3.19/Ex3_19.sce @@ -0,0 +1,12 @@ +clc
+//to calculate which spectral line in 5th order will overlap with 4th order line of 5890 angstrom
+//the grating equation for principal maxima is (e+d)*sin theta =n*lambda
+n1=5
+ //order of spectrum
+n2=4
+lambda2=5890*10^-8 //wavelength of 4th order spectrum in cm
+//(e+d)*sin theta=5*lambda-------------eq(1)
+//(e+d)*sin theta=4*5890*10^-8-----------------eq(2)
+//from eq(1) and eq(2) ,we get
+lambda1=n2*lambda2/n1
+disp("wavelength of 5th order spectrum is lambda1="+string(lambda1)+"cm")
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