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clc
// Given that
lambda = 5.461e-7 // wavelength of light in meter
d = 4e-7 // separation between objects in meter
// Sample Problem 45 on page no. 2.55
printf("\n # PROBLEM 45 # \n")
NA = (1.22 * lambda) / (2 * d) // calculation for numerical aperture of objective
printf("\n Standard formula used \n NA = (1.22 * lambda) / (2 * d). \n")
printf("\n Numerical aperture of objective = %f",NA)
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