What is radius of curvature in light? Radius of curvature (ROC) has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located either along or decentered from the system local optical axis. The distance from the vertex to the center of curvature is the radius […]
Who has most natural gas?
Who has most natural gas? Russia How many years of natural gas are left? 52 years How long will our natural gas supply last? about 84 years Which country has most gas? Who buys Russian gas? The largest importers of Russian gas in the European Union are Germany and Italy, accounting together for almost half […]
What are the 12 meridians?
What are the 12 meridians? Since then, acupuncture has become the most popular alternative medicine in the US. The Heart Meridian. The Lung Meridian. The Stomach Meridian. The Kidney Meridian. The Large Intestine Meridian. The Small Intestine Meridian. The Liver Meridian. The Bladder Meridian. What does Prime Meridian mean? The prime meridian is the line […]
How does photon interact with matter?
How does photon interact with matter? Photons interact differently in matter than charged particles because photons have no electrical charge. give up their energy via secondary interactions (mostly ionization). The interaction of photons with matter is probabilistic, while the interaction of charged particles is certain. What happens if an incident photon collides with a moving […]
What are the three main parts of a blueprint?
What are the three main parts of a blueprint? Blueprints are documents that contain three major elements: the drawing, dimensions, and notes. The drawing illustrates the views of the part necessary to show its features. Together, the extension and dimension lines on the drawing indicate dimensions and specific tolerance information of each feature. What does […]
What are the tools used obtaining measurements?
What are the tools used obtaining measurements? Calipers. Micrometer. Laser Measure. Ruler. Compass. Square. Measuring Tape. Tailor’s Measuring Tape. How do we measure flour accurately? Instructions First, fluff up the flour in the bag or canister. Spoon the flour into the measuring cup. Scrape a knife across the top of the measuring cup to level […]
What is a blue black deck called?
What is the difference between the bell and the diaphragm of a stethoscope?
What is the difference between the bell and the diaphragm of a stethoscope? The bell effect is created by light pressure on the stethoscope. Firm pressure makes the stethoscope behave like it should with a diaphragm. The difference between the diaphragm and the bell is that the bell allows low frequency sounds, which permits hearing […]
What are the properties of the fourth state of matter?
What are the properties of the fourth state of matter? A plasma is an ionized gas, a gas into which sufficient energy is provided to free electrons from atoms or molecules and to allow both species, ions and electrons, to coexist. Plasma is the fourth state of matter. What is the 4th state in the […]
Who is known as the father of modern astronautics?
Who is known as the father of modern astronautics? For his ideas, careful research, and great vision, Tsiolkovsky has been called the Father of Modern Astronautics. Early in the 20th century, an American, Robert H. Goddard (1882-1945), conducted a variety of practical experiments in rocketry. When did Russia put a man in space? A Is […]