What do convergence and divergence mean? And why do they matter?
I understand that when a series diverges, y doesn't approach 0 when x approaches infinity, and converging series do. But what does this say? I just want to understand some applications. NOTE: I'm...
Identifying Converging and Diverging Lenses: Explaining with Principal ...
Feb 1, 2005 · To determine whether a lens is converging or diverging, analyze the behavior of the principal rays after they pass through the lens. A convex lens will cause rays to converge at a point …
Is there a pressure ratio limit for choked flow through a c-d nozzle ...
Jun 21, 2024 · The discussion centers on the limits of choked flow through converging-diverging (c-d) nozzles, specifically addressing the effects of diameter and angle in the divergent section. It is …
How to model converging illumination through object plane (in ZEMAX)
Oct 25, 2025 · Hello community, I'm designing a projection lens system for a 35mm film projector in Zemax OpticStudio and struggling with the correct sequential mode setup for the illumination …
Finding Image Distance with a Converging Lens: Magnifying Glass …
Nov 14, 2015 · The discussion focuses on solving the magnifying glass problem using a converging lens with a focal length of 15.0 cm to achieve a magnification of +2.00. The relevant equations include the …
Is the Sequence x_{n+1}=\\sqrt{2x_n} Converging? - Physics Forums
Feb 18, 2012 · The sequence defined by the recurrence relation \ (x_ {n+1}=\sqrt {2x_n}\) converges to the limit of 2. The sequence can be expressed in terms of exponents, specifically \ (2^ {\sum \frac {1} …
Why is my COMSOL solution not converging? - Physics Forums
Aug 12, 2009 · Hello, I'm a 2nd year student, and I'm trying to get to know COMSOL. I'm starting off by solving simple problems with the incompressible Navier-Stokes model, but I keep having trouble with …
Calculating Flow Rate: Pressure Source to Converging Nozzle
Jul 30, 2014 · The full system is a pressure source, converging nozzle which has outlet into original diameter at converging nozzle inlet followed by hose to outlet to atmosphere. (this is like a fire hose …
Can a converging lens become a diverging lens in liquid?
Jan 31, 2014 · A converging lens can be transformed into a diverging lens when placed in a liquid with a lower refractive index than the lens material. The focal length of the lens changes based on the …
Converging Lens Problem: Finding Distance from Slide for Real and ...
Feb 7, 2005 · The discussion centers on solving the Converging Lens Problem involving a lens with a focal length of 2.24 cm and an image distance of 11.4 cm. For a real image, the lens is positioned …