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Diffstat (limited to '2780/CH3/EX3.18')
| -rwxr-xr-x | 2780/CH3/EX3.18/Ex3_18.sce | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/2780/CH3/EX3.18/Ex3_18.sce b/2780/CH3/EX3.18/Ex3_18.sce new file mode 100755 index 000000000..0915750f3 --- /dev/null +++ b/2780/CH3/EX3.18/Ex3_18.sce @@ -0,0 +1,10 @@ +clc
+//to calculate number of lines in one centimeter of the grating
+//let E=(e+d)
+//formula for grating equation for principal maxima is (e+d)*sin theta=n*lambda
+n=2 //order of spectrum
+lambda=5*10^-5 //wavelength in cm
+E=n*lambda/sin(%pi/6)
+number=1/E
+disp("number of lines is number="+string(number)+"unitless")
+//answer is given wrong in the book ,number of lines=1000
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