Suppose the fractional efficiency of a cesium surface (with work function 1.80 eV) is 1.0 * 10-16; that is, on average one electron is ejected for every 1016 photons that reach the surface.What would be the current of electrons ejected from such a surface if it were illuminated with 600 nm light from a 2.00 mW laser and all the ejected electrons took part in the charge flow?
Quantum mechanics and hydrogen atom
Consider an electron of mass m moves with the velocity v in a hydrogen atom. If an electron is at a distance r from the proton, then the potential energy function of the electron can be written as follows:
Isotopes of Hydrogen Atoms
To understand isotopes, it's easiest to learn the simplest system. Hydrogen, the most basic nucleus, has received a great deal of attention. Several of the results seen in more complex nuclei can be seen in hydrogen isotopes. An isotope is a nucleus of the same atomic number (Z) but a different atomic mass number (A). The number of neutrons present in the nucleus varies with respect to the isotope.
Mass of Hydrogen Atom
Hydrogen is one of the most fundamental elements on Earth which is colorless, odorless, and a flammable chemical substance. The representation of hydrogen in the periodic table is H. It is mostly found as a diatomic molecule as water H2O on earth. It is also known to be the lightest element and takes its place on Earth up to 0.14 %. There are three isotopes of hydrogen- protium, deuterium, and tritium. There is a huge abundance of Hydrogen molecules on the earth's surface. The hydrogen isotope tritium has its half-life equal to 12.32 years, through beta decay. In physics, the study of Hydrogen is fundamental.
Suppose the fractional efficiency of a cesium surface (with
work function 1.80 eV) is 1.0 * 10-16; that is, on average one electron
is ejected for every 1016 photons that reach the surface.What
would be the current of electrons ejected from such a surface if it
were illuminated with 600 nm light from a 2.00 mW laser and all
the ejected electrons took part in the charge flow?
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 3 images
