Physics, 27.04.2021 15:10 mikaelalcool49
When light with a wavelength of 221 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of J. Determine the wavelength of light that should be used to double the maximum kinetic energy of the electrons ejected from this surface
Answers: 2
Physics, 22.06.2019 00:20
Consider the particle-in-a-box problem in 1d. a particle with mass m is confined to move freely between two hard walls situated at x = 0 and x = l. the potential energy function is given as (a) describe the boundary conditions that must be satisfied by the wavefunctions ฯ(x) (such as energy eigenfunctions). (b) solve the schrยจodingerโs equation and by using the boundary conditions of part (a) find all energy eigenfunctions, ฯn(x), and the corresponding energies, en. (c) what are the allowed values of the quantum number n above? how did you decide on that? (d) what is the de broglie wavelength for the ground state? (e) sketch a plot of the lowest 3 levelsโ wavefunctions (ฯn(x) vs x). donโt forget to mark the positions of the walls on the graphs. (f) in a transition between the energy levels above, which transition produces the longest wavelength ฮป for the emitted photon? what is the corresponding wavele
Answers: 1
Physics, 22.06.2019 01:30
John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?
Answers: 1
Physics, 22.06.2019 08:00
1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving
Answers: 1
When light with a wavelength of 221 nm is incident on a certain metal surface, electrons are ejected...
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