Ask a New Question

An electron of kinetic energy

Calculate the kinetic energy of the photoelectron emitted by a metal (threshold energy is 1.50 x 10^-19J) exposed to light of
1. 1 answer
2. asked by Anonymous
3. 693 views
An X-ray photon of wavelength 0.954 nm strikes a surface. The emitted electron has a kinetic energy of 935 eV.What is the
1. 2 answers
2. asked by Amy
3. 13,002 views
A certain moving electron has a kinetic energyof 1.01 × 10−19 J. Calculate the speed necessary for the electron to have this
1. 1 answer
2. asked by lucky
3. 3,329 views
In the ground state of the H-atom the electron has a total energy of -13.6 eV. What are (a) its kinetic energy, and (b) its
1. 0 answers
2. asked by alice
3. 475 views
an electron in the second energy level absorbs a photon of energy 6 ev what's the speed of the ejected electron?I have tried to
1. 0 answers
2. asked by K
3. 590 views
. In an electron microscope the electrons generate theimage. For one of the scanning electron microscopes in our Central
1. 1 answer
2. asked by Anonymous
3. 610 views
In an electron microscope the electrons generate theimage. For one of the scanning electron microscopes in our Central
1. 0 answers
2. asked by Anonymous
3. 489 views
An electron in an x-ray machine is accelerated through a potential difference of 1x10^4 V before it hits the target. What is the
1. 1 answer
2. asked by mike
3. 2,463 views
A certain moving electron has a kinetic energyof 0.991 × 10−19 J. Calculate the speed necessary for the electron to have this
1. 1 answer
2. asked by kc
3. 650 views
An X-ray photon of wavelength 0.948nm strikes a surface. The emitted electron has a kinetic energy of 979 eV.What is the binding
1. 0 answers
2. asked by soso
3. 687 views