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//Chapter-2,Example 2-33,Page 2-48
clc()
//Given Data:
m=1 //order
lam=6.553*10^-7 //Wavelength of light
dlam=1.8*10^-10 //difference in wavelength
//Calculations:
//We know that R.P.=lam/dlam=m*N
N=lam/dlam/m //Number of lines on grating
printf('Number of lines on grating is = %.0f \n \n',N)
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