Why does electromagnetic radiation in the ultraviolet region
May 7, 2016 · During a transition between allowed orbits an electron emits the extra energy in form of a photon of energy: E = hf where: h is a constant (Planck's Constant; f is the …
What is the formula for determine heating produce by a lens?
Jun 6, 2017 · Let r be radius of the lens. As such its area is =pir^2 W be average intensity of solar radiation reaching earth's surface P_(IR) be percent composition of Infrared energy …
How is spectroscopy used in forensics or in industry? - Socratic
Jan 16, 2016 · Here are just a few of the ways that spectroscopy is used in forensics. > Different techniques are often used on the same samples, because each method gives different …
What is r selection? + Example - Socratic
Dec 19, 2016 · r selection is a method of rearing offspring with an emphasis on high growth rate and population increase (explanation shows comparison to K selection) r and K selection refer …
What are the cis and trans isomers for cyclohexane? - Socratic
Jan 20, 2016 · When cyclohexane is substituted by 2 heteroatoms, cis-trans isomerism, and optical isomerism ARE possible. Let's take a simple (achiral) example, 1,4-dihalocyclohexane, …
Can real numbers be negative? - Socratic
Apr 12, 2015 · Yes they are. In fact real numbers refers to natural numbers(1,2,3,4...), integers(... -3, -2, -1, 0, 1, 2, 3), rational numbers(1/3, 5/6, 3/2) and irrational numbers ...
Why are ventricles more muscular? - Socratic
May 17, 2018 · The ventricles need Ventricles are more muscular because they must pump the blood farther than the atria. As shown in the diagram below, the blood from the ventricles does …
How do you find the limit of x/sinx as x approaches 0? | Socratic
Mar 3, 2016 · If we try to calculate the limit directly, we can see that is an indeterminate form: lim x→0 x sinx = 0 sin0 = 0 0? To solve it, we can apply the L'Hôpital's rule: Given two functions f …
What is the nth derivative of f (x) = x e^ (2x)? | Socratic
Apr 13, 2015 · We can write the derivative of this function in a ricorsive way. Ricorsive way means that also in the definition there is the concept of derivate! y^((1))=1*e^(2x)+x ...
Are solutions pure substances? - Socratic
Mar 20, 2018 · No. To be pure, a substance needs to have constant composition--this is the case for elements and compounds, but not for solutions. A solution is basically a homogenous …