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Amwoga KhalwalePrice elasticity of demand is a measure of the change in quantity demanded or purchased of a product in relation to its price change. It may also be defined as the ratio of the percentage change in quantity demanded to the percentage change in price of particular commodity. There are two major types of elasticity … Read more
Bitmap Graphics The bitmap also referred to as raster graphics can be described as a raster image containing pixel data format. Each pixel is actually a very small square that is assigned a color and then arranged in a pattern to form the image. A bitmap image is a grid made of rows and columns … Read more
Hydrocarbons are compounds that are made up of atoms of carbon and hydrogen exclusively. The unique nature of the carbon ensures that it shares a strong covalent bond with hydrogen. Since carbon atoms will make long chains with relative ease, hydrocarbons can be very big molecules linking even hundreds of atoms. Examples of hydrocarbons include … Read more
What Are Polarized Light? A light wave is an electromagnetic wave that travels through the vacuum of outer space. Light waves are produced by vibrating electric charges. More importantly, light waves are transverse, that is, the vibrating electric vector associated with each wave is perpendicular to the direction of propagation. Polarized light waves are light … Read more
Polar Covalent Bonds Polar covalent bonding is a type of chemical bonding where a pair of electrons is unequally shared between two atoms. In other words, the distribution of electrons around the molecule is no longer balanced. This is due to one of the elements having a higher electronegativity than the other. Atoms with high … Read more
Surveying is generally described as methodology of making scientific measurements on or above the surface of earth with the objective of determining points so as to produce a plan or map. Surveying is used widely in almost all civil engineering projects such as construction of building, bridges, reservoirs, dams, railways, roads, irrigation projects etc. Primarily, … Read more
What Is A Compact Disk (CD)? A Compact Disc also referred to as CD are small flat round, optical storage plastic discs which store and retrieve computer data or music using light. CDs can store software programs to install onto your computer. They save files for backup or transfer to another computer as well as … Read more
Who Are Protestants? A Protestant is an adherent of any of those Christian bodies that separated from the Church of Rome during the Reformation over disputes about faith and justification. The reformation began as an attempt to reform the Roman Catholic Church, by priests who opposed what they perceived as false doctrines and ecclesiastic malpractice. … Read more
What Is Molecule? A molecule can be described as two or more atoms of the same or different element that are bound together by chemical bonds. Each atom carries a certain number of electrons that orbit around nucleus. A molecule may be homonuclear, which means, it consist of atoms of one chemical element as with … Read more
What Is Active Voice? The active voice is typically the widely used voice, and it describes the subject actually doing the action. Active voice sentences are more direct and shorter than passive voice sentences. Therefore, they are less confusing and less ambiguous. Well, consider the following examples: “She is cycling towards the school.” “She is … Read more