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Optical Instruments Optical instruments processes light waves to enhance an image for viewing or analyze light waves to determine number of characteristic properties. The very first optical instruments were telescopes and microscopes used for magnifications of images. Mirrors and lenses find their applications in very many walks of life. Since the days of Galileo, these […]
SS2 Physics Third Term: Optical Instruments Read More »
ALKYNES An alkyne is a molecule made up entirely of carbon and hydrogen where on or more carbon atoms are connected by triple bonds. The general formula for an alkyne is CnH2n-2 where n is the number of carbon atoms in the molecule. Alkynes are named by adding the the -yne suffix to the prefix associated
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FAMILY BUDGET Household budget is a plan for future expenditure of a given household. Budgeting involves planning ahead on how to spend the total money or income that one earns. THE INCOME: This includes the money and other economic resources available to the family for meeting their needs. MONEY INCOME: This is the amount of
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Introduction For us to understand and appreciate what setting out operation is all about, let us first discuss the preliminary roles of some professionals in the job. (A) Preliminary Site Operations Anybody wishing to construct a building usually first consults an architect to discuss the need for a building and the type of building wanted.
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Introduction Plant reproduction is the production of new individuals or offspring in plants, which can be accomplished by sexual or asexual reproduction. Sexual reproduction produces offspring by the fusion of gametes, resulting in offspring genetically different from the parent or parents. Asexual reproduction produces new individuals without the fusion of gametes, genetically identical to the
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Introduction: Dispersion is the splitting up of white light into seven colors on passing through a transparent medium like a glass prism. When a white light beam is passed through a prism, a band of seven colors are formed is known as spectrum of white light. The seven colors in the spectrum are red, orange,
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The Circular Flow of Income The circular flow of income and spending shows connections between different sectors of an economy. It shows flows of goods and services and factors of production between firms and households. The circular flow also shows how national income or Gross Domestic Product is calculated. The circular flow of income can also
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Introduction: Fresh water habitat is a body of water formed mainly from inland waters and contain very low level of salinity. Examples of fresh water habitats are rivers, ponds, streams, springs and lakes Types of Fresh Waters Fresh waters are classified on the basis of their mobility. Based on this, two types are identified. These
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Introduction We can identify different quadrilaterals based on the properties sides, diagonals and angles. Quadrilaterals are made up of ten parts. However, to construct them, you do not need to know the measurements of all of them. In case of special quadrilaterals, like the rectangle, just two measurements, the lengths of its adjacent sides are enough to construct it. A kite can
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Introduction to the Consonant Sounds Followed by /KW/ Although now written with a consonant and a vowel as qu-, the /kw/ sound is made up of two consonants. As a result, it falls under the consonant cluster category. The letter q is used the most rarely of all English letters with the exception of z.
