How do you calculate sound pressure? Sound pressure level (SPL) calculator – formula & step by step calculation to measure the logarithmic RMS value of the sound or acoustic pressure caused by the sound wave relative to a reference value in decibels. SPL (dB) = 10 log10(p2/po2). How do you convert pressure to dB? Sound […]
What is radius of curvature in light?
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 […]
Why is graphite dangerous?
Why is graphite dangerous? Graphite is a form of pure carbon. It is not edible, but not chemically dangerous. Graphite can be made to be more dangerous than Pb depending on ingenuity. For instance if you powder graphite and force a person to breath the powder until they choke, it is more dangerous that a […]
What is a blue black deck called?
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 […]
Do proteins store and transmit genetic information?
Do proteins store and transmit genetic information? No, proteins do not store genetic information or transmit to the next generation. What store and transmit genetic information? Nucleic acids are polymers that store, transmit, and express hereditary (genetic) information. There are two types of nucleic acids: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). DNA stores and […]
Which is older intrusion or extrusion?
Which is older intrusion or extrusion? Lava that hardens on the surface is called an extrusion. The rock layers below an extrusion are always older than the extrusion. There, the magma cools and hardens into a mass of igneous rock called an intrusion. An intrusion is always younger than the rock layers around and beneath […]
What is the difference between thermal energy and temperature and heat?
What is the difference between thermal energy and temperature and heat? What is the difference between temperature, thermal energy, and heat? The term temperature refers to the average amount of heat or the motion energy of particles in a substance. It measures the hotness and coldness of a substance. Thermal energy is the total motion […]
Which is better if the discharge time of the capacitor is small or large?
Which is better if the discharge time of the capacitor is small or large? At first the current is large because the voltage is large, so charge is lost quickly and the voltage decreases rapidly. As charge is lost the voltage is reduced making the current smaller so the rate of discharging becomes progressively slower….Discharging […]
What is the most common compound?
What is the most common compound? Glossary Compound Formula Abundance percent by weight Silicon dioxide SiO2 42.86% Magnesium oxide MgO 35.07% Ferrous oxide FeO 8.97% Aluminum oxide Al2O3 6.99% How do you know the difference between a compound and mixture? Compound:a substance that is made up of more than one type of atom bonded together. […]