Search Results for Lenses

...); it is bright and transparent, colorless or yellowish. Another common idea is that light from a primary light source propagates only in a preferential direction, namely toward the elements of the optical system (mirror, lenses, object, eye). Notions about light and its properties are strongly connected...

... such as light propagation, shadow formation, reflection from mirrors, refraction of light by lenses, and image formation. Many of these optical phenomena continue to be investigated and the purpose of this chapter is to examine the range of diagnostic instruments for measuring students’ conceptions of optical...

... Light and Optics Conceptual Evaluation (LOCE) Lenses and optics of the eye, light propagation, interference and diffraction, polarization Introductory college, University MCT, Short answer R23 Light and Spectroscopy Concept Inventory (LSCI) Light, waves, spectroscopy Introductory college MCT...

... Construction Kit” (see PhETs-Circuits ) were incorporated into the Home-Adapted ILD sequence “Introduction to DC Circuits” (Home-Adapted ILDs) and excerpts from Physlet Physics Chap. 35, Lenses (see Physlets-Lenses ) were incorporated as resources in the Home-Adapted ILD...

... PhETs, see   https://www.physport.org/methods/method.cfm?G=PhET . PhETs-Circuits, see   https://phet.colorado.edu/en/simulation/circuit-construction-kit-dc . Physlet, see   https://www.physport.org/methods/method.cfm?G=Physlets . Physlets-Lenses, see   https://www.compadre.org...

... ). Much of what motivates PER attention at these scales is the persistence of inequities in the discipline (e.g., Modeste Knowles, 2022 ). Research at this scale draws on work in education derived from critical theory (e.g., Ladson-Billings, 2006 ; and Giroux, 2009 ). Such sociopolitical lenses attend...

... communicate regarding equity There are many choices during the data analysis stage that can impact equity in research. Researchers select theoretical lenses that guide their research, often selecting popular frameworks such as communities of practice (CoP). Despite widespread use, even well-established...

... lenses, annular dark-field (ADF) scanning transmission electron microscopy has become popular and is widely used to study the atomic-scale structure of materials. High-resolution transmission electron microscopy High-resolution transmission electron microscopy (HRTEM) [Fig. 5.1(a) ] has been used...

...—is not currently reflected in the energy learning progressions literature. Blending Learning Progression and Coherent Instruction: A Way Forward The learning progression and coherent instruction perspectives both provide valuable lenses for considering how students can be supported in developing competence...

..., and the student's sense of excitement and pride as the thickness of the lenses confirmed her group's model. In those examples, students' actions in the world outside of the classroom have been transformed by their physics courses in ways that are cognitive (conceptual physics ideas are in play) and affective...

... as “black boxes” as far as the lenses are concerned. Students simply do not ever encounter a situation in which knowing how the objective lens of the microscope relays an image to the eyepiece lens or the camera tube lens makes it possible for them to use such a microscope more effectively. A handful...

... of these images. Gürel and Eryilmaz (2013) analyzed 10 physics textbooks from around the world to determine the role of the observer's eye in image formation and found that it was ignored in virtual images in plane mirrors, and real images in lenses. Hence, there is a possibility that readers of these textbooks...

...) phase shifters, (ii) directional couplers, (iii) waveguide switches, (iv) micromirrors, and (v) gratings or photonic crystals, resulting in phase, amplitude, propagation direction, or polarization change of light. Optics and photonics require a large set of tunable components such as lenses, arrayed...

... through a series of electro-magnetic lenses and the path of this beam can be influenced by modestly adjusting the applied current. The size of the beam is controlled by condenser lenses and after converging this beam through an objective lens, it is allowed to be incident on the sample [Fig. 6.1...

... chamber (UHV) with a monochromatic soft x-ray source, lenses, an energy analyzer, a detector, and a monitor. The necessary requirement of the UHV chamber (at <10⁻⁹ Torr) is mainly to avoid noise as well as additional contaminations of the sample surface. X-ray sources such as Al and/or Mg...