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clc;
clear;
lambda=5890*10^-8 //wavelength in cm
k1=1
k2=2
N=425 // grating lines per cm
d_lambda=(5896 - 5890)*10^-8 //grating width in cm
d=2 //grating width in cm
//calculation
//for the first order
N1=ceil(lambda/(k1*d_lambda)) //No. of grating lines
//for the second order
N2=ceil(lambda/(k2*d_lambda)) //No. of grating lines
printf("\nAs the total number of lines required for the just resolution in the first order is %d and the total number of lines on the grating is 850, the lines will not be resolved\n",N1)
printf("\nAs the total number of lines required for the just resolution in the first order is %d and the total number of lines on the grating is 850, the lines will appear resolved in second order\n",N2)
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