Category: Physics

How many electrons pass through a lamp in 1 minute if the current is 200? A current of 200 mA is flowing through the lamp. One ampere is the current that flows through the lamp when one coulomb of charge passes in one second. The charge of an electron is 1.602*10^-19 C. How many electrons […]

How much does 12 inches of snow weigh? To calculate the weight of snow, you take 7.48 gallons of per cubic foot of water, which is about 62.4 pounds. You then divide it by the amount of snow (in inches). Light and fluffy snow weigh the least. If it snows 12” of light and fluffy […]

What is an example of energy and matter? A raindrop falling from the sky is made of matter (water), plus it has potential, kinetic, and thermal energy. A lit light bulb is made of matter, plus it emits energy in the form of heat and light. The wind consists of matter (gases in air, dust, […]

How do you know if something is acidic or basic? To determine whether a substance is an acid or a base, count the hydrogens on each substance before and after the reaction. If the number of hydrogens has decreased that substance is the acid (donates hydrogen ions). If the number of hydrogens has increased that […]

What is the difference between permeability and susceptibility? Permeability is the measure of the resistance of a material against the formation of a magnetic field. A closely related property of materials is magnetic susceptibility, which is a dimensionless proportionality factor that indicates the degree of magnetization of a material in response to an applied magnetic […]

What is physiology simple words? 1 : a branch of biology that deals with the functions and activities of life or of living matter (such as organs, tissues, or cells) and of the physical and chemical phenomena involved — compare anatomy. How many types of physiologist are there? Hippocrates coined the theory of the four […]

Why would someone want to process their film in the darkroom? Today’s photographic film is made of plastic coated by an emulsion with light sensitive materials. Why would someone want to process their film in the darkroom? It gives the photographer greater control over the print. Chemical temperature is important while developing film, but not […]

What will be the slope of a graph of T 2t 2 versus L? The graph between T^2 vs L when L is in the y axis and T^2 is in the x-axis has a constant slope equals to (39.48/9.8) or 4.0286. It is the same as 4 * pi^2/g where g = 9.8 m/s^2. […]

What does dilation mean in math? similarity transformation Is scale factor new over old? For figures which differ by a scale factor, the scale factor is the ratio of corresponding side lengths (new image to old image). What does a scale factor of 5 mean? Share on. Statistics Definitions > A scale factor is a […]

Why pH range is not more than 14? One far end is not more than 1M of hydrogen ions, which results in a pH value of not more than 0. While on the other end is not more than 1M of hydroxide ions which results in a pH value of not more than 14. The […]