Geometrical optics

Lesson Plan Teach 1 Name: Spectra and Stars Standard: Identify and compare characteristics of the electromagnetic spectrum such as wavelength, frequency, use, and hazards and recognize its application to an understanding of planter images and satellite photographs. Objective: The students will be able to – 1. Recognize that white light is made up of a spectrum of many different colors. 2. Explain how different colors of light can be absorbed by colored filters. Engage 1. Remembering- How…

SEM is a kind of microscope to observe the topography of materials. SEM has some advantages: it has a large depth of field and we can observe the 3D image of the sample and analyzing its topography, its magnification range is widely and we could make sample easily because of the X-ray spectrometry, which can determine the elements of sample. When electron beam attack the sample, incident electron will be diffracted and change the direction or even loose some energy. During this process,…

Tremco, a commercial sealant and waterproofing company, was contacted on 7/27/17 for information regarding the issues observed. The sales representative, Liz Bailey, stated that the issues observed with the existing traffic system are consistent with urethane based traffic coatings. These traffic coatings are inexpensive to apply, but only have about a 5 year life expectancy. This can be further reduced in high traffic, high temperature, and high UV areas. Tremco recommended the use of a…

Photography is not just strictly visual, it is influential, subjective, objective, and impactful. It is a means and a medium to bring about change in society or the world. The camera is a small but powerful tool to bring about social change but to also share an image, an image captured in a moment of time. In a quote by renowned American photographer Aaron Siskind, “Photography is a way of feeling, of touching, of loving. What you have caught on film is captured forever... it remembers little…

the two previously stated methods of implied depth, “the effect of overlap is strengthened by diminishing size, which gives a sense of increasing distance between each of the shapes,” or in this case figures within the work (45). We can see this method being used when observing the way the figures in the painting are spaced out, overlapped, and made smaller or larger depending on their location on the canvas. The visual elements of Paolo’s work are clearly seen; however, it might take a more…

Photography has been my passion for a few years now, and I love the artistic representation that photography has to offer, including that of self-portraiture. I found the article Reflections on Self-Portraiture in Photography by Ina Loewenberg an interesting read and think the author has valid points throughout. The article states “We understand a portrait in any medium to be an artist’s interpretive rendering of the “subject” while a self-portrait is an artist’s presentation of…

Astronomy Practical – Carey Zimmer The aim of this experiment is to verify the inverse square law involving the light from the globe of an optics kit (The star) and a light meter placed some distance away. This is to be done by analysing the relationship between the source and the detector. Hypothesis: If the distance between a light source and a light meter increases, then the amount of Lux recorded on the light meter will decrease. Materials: • Light box kit • Power supply • Meter ruler •…

An object is chiral if it has a non-superimposable mirror image. Our hands are mirror images that cannot be superimposed on each other therefore they are chiral. There are objects that do have a superimposable mirror image, like a drinking glass or ball and these are known to be achiral (Morris Hein, 2013). A carbon compound needs to have four different atoms or groups attached to at least one carbon atom for it to be classified as chiral (Timberlake, 2009). Chiral compounds are also called…

Matchmaker: How To Find A Curly Hair Stylist For Keeps Curly hair textures are often overlooked, which makes finding a stylist who will give your curls the proper attention that they deserve a challenge. That’s why this week we’re playing matchmaker to help all of you curly girls find a stylist that will make your curls a priority. Just like finding that perfect someone, finding the perfect stylist requires determination, patience and a whole lot of communication. We may be able to live with a…

What is interesting is that he writes about how photography is a process of taking what we already see, it is based on selection not synthesis. We do not get to create what we want to see when taking photos of the world, is all about how we see it that makes a photo interesting, “the world itself is an artist of incomparable inventiveness,” (Szarkowski 3). So a photographer’s job is to see the art that the world has created and to capture it, to express what he has seen. This shows us that…