Cookware commonly used by most housewives, chefs that made from aluminum. In addition, there are also cookware made of iron and stainless steel and anti-sticky material.
In cookware that use aluminum materials have negative impact such as easy to burn, uneven heat dissemination, takes a long time in the process of cooking. And also the chemicals contained in cooking materials when reacting with aluminum will damage the results of cooking. So it disturbs health.
While cooking utensils that use iron have a lack of weight, uneven spread of heat, when acting with water and oxygen will corrode. So it is difficult to clean and wash.
On the other hand the use of stainless steel mix or combination several types of metals such as iron base, chromium,
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To overcome it should cookware use black material. Because objects that are black will spread the heat evenly, or referred to as black body …show more content…
it spread heat dissemination
2. Avoid burning dishes
3. it need very much time to cook
By reviewing a hole in the hollow box that is assumed to be a black object. If the box is heated, the atoms on the box wall will absorb heat energy and vibrate. These vibrating atoms will act as harmonic oscillators that give rise to electromagnetic waves. Each wave generated by the oscillator will be reflected back and forth by the box wall and form a standing wave. This incident is almost the same as the process of forming standing waves on a vibrated rope.
An electromagnetic wave consists of the spectrum of waves of different wavelengths. The physicists examined the intensity of radiation for certain wavelengths. The tool used in the experiment is based on the principle of light dispersion by the prism into its spectrum.
The radiation emitted by a black object is passed through the gap to obtain a narrow beam of wave. The waves are then dispersed according to their respective wavelengths. To measure the intensity and wavelength of each spectrum, a detector can be shifted according to the angle of the deviation of the dispersed wave
Then more roasting occurred when the crucible was placed into a ceramic triangle for the Bunsen burner to continue its burning for an additional 90 minutes. Once the burning was officially over, the crucible was placed onto a ceramic tile to cool off. Next the charcoal and copper material were poured onto a paper towel and were separated from carefully distinguishing them one from the other. Then comparisons were down through analysis of the copper (II) oxide smelted.
The cuvette was placed in the spectrophotometer with the arrows, on both the cuvette and the SpectroVis, facing the same side. After the recording, the cuvette was removed from the SpectroVis and the content was poured back into the original volumetric flask. The absorbance as well as the maximum wavelength of each solution was recorded in Table 3 and
The experiment used a light of a single color, or monochromatic light, and two closely spaced slits or pinholes. He realized that the bright fringes of light resulted from light waves from both holes arriving crest to crest, creating a constructive interference. He also realized that the dark areas resulted from light waves coming from trough to crest, creating a destructive interference. The interference fringes made were straight lines. This interference experiment demonstrated the wave nature of light idea generated by Huygens 200 years earlier.
Unit D Summary: Light and Geometric Optics 10.1 : Light and The Electromagnetic Spectrum Chapter 10.1 covers light and the electromagnetic spectrum. This chapter starts off by describing how light is a form of energy that travels in waves. The properties of said waves include a crest (the highest point of the wave), the trough (the lowest point of the wave), and the rest position (the level of a wave without energy).
The light then breaks into parallel lines. The grating allows us to see the colors in the spectrum. We can measure the light using the spectroscope grid template. Exercise 2: Using the Spectroscope Questions A. Describe the similarities and differences between the spectra of incandescent light and fluorescent light. Use your results in Data Table 1 to explain your answer.
The colorimeter must be set to the correct wavelength setting. In this experiment, the wavelength must be set to blue so it can
In the story it is says “Mr. Summers spoke frequently to the villagers about making a new box, but no one liked to upset even as much tradition as was represented by the black box.”, and “… Mr. Summers began talking again about a new box, but every year the subject was allowed to fade off without anything’s being done.” (Jackson 1). It is quite clear that the villagers are purposely putting off the subject of making a new box for this occasion because they don’t want to change the tradition in any way, shape, or form. This black box has been around since the oldest man in town, Mr. Warner, was born. The box is described as “…shabbier each year: by now it was no longer completely black but splintering badly along one side to show the original wood color, and in some places faded or stained.”
Introduction The main objective of this particular case study is to assist Victor Dubinski, the current CEO of Blaine Kitchenware, decide whether or not repurchasing shares and changing the firm’s capital structure in favor of more debt could actually be benefit the company and its shareholders. Blaine Kitchenware is a small cap, public company who focuses on selling various different residential kitchen appliances. Up until this point, the company has only used cash and equity financing to acquire independent kitchen appliance manufacturers, and expand into foreign markets abroad. Given their excess cash and lack of debt, Blaine Kitchenware is considered to be “over-liquid and under-leveraged” (Luehrman & Heilprin, 2009).
A laser was used as the light source as it is monochromatic (one colour, ie. one wavelength) and coherent (in phase, ie. crests/troughs align) light. Light can’t be coherent without being monochromatic as the crest/troughs won’t align consistently(see Fg.3). Fg.3
Dishes were always a big issue in my house. In the beginning, I would keep everything clean as a perfect Martha Stewart kitchen. But one day I started working outside the house and I had a new baby. I woke up early in the morning, breastfed my baby, got dressed and faced one hour commute to my work place.
1.1 Explain how observations are used: Reference- www.slideshare.net. Text book- Penny Tassoni. Laser learning.
P6 Explain safe working practises necessary in preparing, cooking and serving food in the health and social care environment To be able to work in any food environment in the Health & Social Care setting you must first do a food hygiene course and they all come in different levels and categories, these are basic food hygiene to level 1 Food Safety, preparing drinks and snacks, for example, cups of tea, hot chocolate, making a sandwich or serving a piece of cake or fruit, Level 2 Food Hygiene, preparing and serving meals with hygiene training for those preparing and serving meals. And Level 3 Food Hygiene Certificate for supervisors. Your kitchen sink can contain more germs than your bathroom sink, germs such as E. coli, campylobacter and salmonella
[3] This pattern is also linked to Equations 1&2 as stated previously. The position of every fourth fringe was recorded giving the value which is required in Equation 3 below. (See Table1 for the recorded data) Knowing the wavelength of sodium to be 589nm the angle, ,at the apex between the two glass plates can be calculated using Equation 3 as
You may think that it is much more necessary to decorate your living room or terrace, but do not forget that the kitchen is the heart of your home. Once your kitchen is good as heaven, then your meals will taste like paradise, for you, another family members, and also your guests. Therefore, it is important to design the kitchen as good as you can. But, designing kitchen may be a challenging process if you only have 30 m2 house in 60 m2 land.
Cooking, it has been around for almost as long as humans. When humans first started roaming the earth we needed to cook to purify our meat and to also add some flavor. Today cooking is a little bit different than back in the stone age. We have mastered various different types of cooking throughout our existence. Cooking used to be essential to human life and to the progression of our livelihood