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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/EX3.23 | |
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initial commit / add all books
Diffstat (limited to '2780/CH3/EX3.23')
| -rwxr-xr-x | 2780/CH3/EX3.23/Ex3_23.sce | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/2780/CH3/EX3.23/Ex3_23.sce b/2780/CH3/EX3.23/Ex3_23.sce new file mode 100755 index 000000000..9100eabea --- /dev/null +++ b/2780/CH3/EX3.23/Ex3_23.sce @@ -0,0 +1,10 @@ +clc
+//to calculate dispersive power
+//differentiate grating equation ,we get dtheta/dlambda=n/((e+d)*costheta)
+n=2 //order
+eplusd=1/4000
+lambda=5000*10^-8 //wavelength in cm
+sintheta=n*lambda/(eplusd)
+costheta=sqrt(1-(sintheta)^2)
+dtheta=n/((eplusd)*costheta) //where dispersive power dtheta/dlambda=dtheta
+disp("dispersive power of he grating in the second order spectrum is dtheta="+string(dtheta)+"unitless")
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