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  1. 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...

  2. 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 …

  3. 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...

  4. 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 …

  5. 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 nozzle is used. …

  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 precision …

  7. What is the difference between convergence of a sequence and ...

    Nov 23, 2014 · I'm preparing for my calculus exam and I'm unsure how to approach the question: "Explain the difference between convergence of a sequence and convergence of a series?" I …

  8. 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 carbon …

  9. Reason for Different Focus Distances in Converging Lens Lab

    Nov 11, 2006 · The discussion centers on the discrepancy in focus distances measured using a converging lens for a distant tree and a candle, with values of 15 cm and 16.3 cm, respectively.

  10. Air Bubble in Water: Converging or Diverging Lens? - Physics Forums

    Dec 12, 2011 · I was tackling a problem that came to my mind whether air bubble placed in water is converging or diverging lens. What I have concluded is that since bubble is sphere, we can assume it …