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clear
//
//
//
//Variable declaration
n=10
lamda=5460*10**-10 //wavelength(m)
d=0.1*10**-3 //distance between slits(m)
D=2 //distance of screen from slits(m)
//Calculation
x10=n*lamda*D/d //distance from centre where 10th maximum is obtained(m)
tantheta1=x10/2 //angular position of 10th maximum(radian)
tantheta1=tantheta1*180/%pi //angular position of 10th maximum(degrees)
x1=lamda*D/(2*d) //distance from centre where 1st maximum is obtained(m)
tantheta2=x1/2 //angular position of 1st maximum(radian)
tantheta2=tantheta2*180/%pi //angular position of 1st maximum(degrees)
//Result
printf("\n angular position of 10th maximum is %0.2f degrees",tantheta1)
printf("\n angular position of 1st maximum is %0.3f degrees",tantheta2)
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