What is the unit of phase constant? β = Phase constant, it is the imaginary component of the propagation constant. It gives us the phase of the signal along a transmission line, at a constant time. Its unit is radians/meter, but we often convert it to degrees/meter. What are the secondary constants of a line? […]
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What is a function of the Golgi apparatus?
What is a function of the Golgi apparatus? A Golgi body, also known as a Golgi apparatus, is a cell organelle that helps process and package proteins and lipid molecules, especially proteins destined to be exported from the cell. Named after its discoverer, Camillo Golgi, the Golgi body appears as a series of stacked membranes. […]
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What are the two methods of dating rocks?
What are the two methods of dating rocks? There are two main methods determining a fossils age, relative dating and absolute dating. Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. Which principle of relative dating is the most important why? Geologists employ […]
How far can Parallax measure?
How far can Parallax measure? Parallax angles of less than 0.01 arcsec are very difficult to measure from Earth because of the effects of the Earth’s atmosphere. This limits Earth based telescopes to measuring the distances to stars about 1/0.01 or 100 parsecs away. How is parallax distance calculated? Parallax Formula: p = parallax angle […]
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How does farming affect the phosphorus cycle?
How does farming affect the phosphorus cycle? The main concern is P transport from soils to streams, rivers, lakes, and eventually oceans. Phosphorus transported from agricultural soils can promote eutrophication, which is enrichment with nutrients that leads to increased algal growth, and decreased dissolved oxygen. What are three human impacts that deplete the amount of […]
What are the application of thermal expansion of solid?
What are the application of thermal expansion of solid? (1) Changing of shape and dimensions of objects such as doors. (2) Wall collapsing due to bulging. (3) Cracking of glass tumbler due to heating. (4) Bursting of metal pipes carrying hot water or steam are some of the disadvantages of thermal expansion of matter. At […]
How do you use sound wave in a sentence?
How do you use sound wave in a sentence? Sound-wave sentence example The same kind of thing happens with sound-wave fronts when travelling with the wind. The whole process is exactly analogous to the operation by which a violin string or organ pipe creates an air or sound wave . What is another name for […]