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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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initial commit / add all books
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+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