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  1. What do convergence and divergence mean? And why do they …

    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. …

  2. Identifying Converging and Diverging Lenses: Explaining with …

    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 …

  3. 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 …

  4. Why Does Flow Become Supersonic in the Diverging Section of a …

    Sep 6, 2007 · i just started reading about nozzles and turbines in my semester course. i went through converging diverging nozzles. for achieving a supersonic flow, a converging diverging …

  5. What does it mean for an "integral" to be convergent?

    Feb 17, 2025 · I think that you have correctly identified a mildly problematic use of language, but can get used to it. The noun phrase "improper integral" written as $$ \int_a^\infty f (x) \, dx $$ …

  6. Series that converge to $\pi$ quickly - Mathematics Stack Exchange

    In particular, take a look at the latest version of his talk on "The life of pi" (and its references!), which includes many of the fast converging algorithms and series used in practice for high …

  7. Focal Length Calculation for a Converging Meniscus Lens

    Jul 20, 2011 · A converging meniscus lens has an index of refraction of 1.55 and radii of curvature for its surfaces of 6.00 cm and 11.0 cm. The concave surface is placed upward and filled with …

  8. Graphically determining the focal length of a converging lens

    Nov 5, 2023 · So I have plotted all the given data points on a graph, putting 1/di on the y- axis and 1/do on the x-axis. I have to now find focal length from the graph...

  9. Converging Lens Problem: Finding Distance from Slide for Real …

    Feb 7, 2005 · A transparent photographic slide is placed in front of a converging lens with a focal length of 2.24 cm. The lens forms an image of the slide 11.4 cm from...

  10. Object at focal point of converging lense • Physics Forums

    Apr 17, 2005 · I have a simple question that I can't seem to answer... why is it that when an object is at the focal point of a converging lense, the image is at infinity? How can you show this …