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//Chapter-1,Example 1_19,Page 1-45
clc()
//Given Data:
D5=0.336*10^-2 //Diameter of 5th ring
D15=0.59*10^-2 //Diameter of 15th ring
lam=5.89*10^-7 //wavelength of light
p=10 //n=5,n+p=15
//Calculations:
//(Dn+p)^2-Dn^2=4*p*lam*R/u
R=((D15)^2-D5^2)/(4*p*lam) //Radius of curvature of the lens
printf('Radius of curvature of the lens is =%.3f m \n',R)
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