In the given equation, if r is the radial distance, n is the refractive index; what does z stands for?
Posted: Thu Jul 14, 2022 12:36 pm
dr2/dz2 = (1/n) (d n/dr)
a) Focal length
b) Distance along the optical axis
c) Axial angle
d) Diameter
a) Focal length
b) Distance along the optical axis
c) Axial angle
d) Diameter