Question

In: Physics

The normalized wave function of an electron in a linear accelerator is ψ = (cos χ)eikx...

The normalized wave function of an electron in a linear accelerator is ψ = (cos χ)eikx + (sin χ)e–ikx, where χ (chi) is a parameter. (a) What is the probability that the electron will be found with a linear momentum (a) +, (b) −? (c) What form would the wave function have if it were 90% certain that the electron had linear momentum +? (d) Evaluate the kinetic energy of the electron.

Solutions

Expert Solution



Related Solutions

A traveling wave along the x-axis is given by the following wave function ψ(x, t) =...
A traveling wave along the x-axis is given by the following wave function ψ(x, t) = 4.5 cos(2.1x - 11.8t + 0.52),where x in meter, t in seconds, and ψ in meters. Find a) the frequency, in hertz b)The wavelength in meters. c) The wave speed, in meters per second. d) The phase constant in radians.
A particle is described by the wave function ψ(x) = b(a2 - x2) for -a ≤...
A particle is described by the wave function ψ(x) = b(a2 - x2) for -a ≤ x ≤ a and ψ(x)=0 for x ≤ -a and x ≥ a, where a and b are positive real constants. (a) Using the normalization condition, find b in terms of a. (b) What is the probability to find the particle at x = 0.21a  in a small interval of width 0.01a? (c) What is the probability for the particle to be found between x...
A particle is described by the wave function ψ(x) = b(a2 - x2) for -a ≤...
A particle is described by the wave function ψ(x) = b(a2 - x2) for -a ≤ x ≤ a and ψ(x)=0 for x ≤ -a and x ≥ a , where a and b are positive real constants. (a) Using the normalization condition, find b in terms of a. (b) What is the probability to find the particle at x = 0.33a in a small interval of width 0.01a? (c) What is the probability for the particle to be found...
Asume the wave function Ψ(x) = A/(x²+a²) whith x real, A and a constants a) find...
Asume the wave function Ψ(x) = A/(x²+a²) whith x real, A and a constants a) find the normalized wave function Φ(p) un the momentum space associated to Ψ(x) b) use Φ(p) yo compute the expected values for p, p², and σ_p c) verify if this state fulfills the Heisenberg uncertainty principle
Consider the wave function Ψ = Ae−α|x| Which of the following boundary conditions are satisfied by...
Consider the wave function Ψ = Ae−α|x| Which of the following boundary conditions are satisfied by the wave function? Group of answer choices Ψ approaches zero as x approaches ±∞ Ψ is single valued. Ψ is finite everywhere. None of the boundary conditions are satisfied.
The wave function for hydrogen in the 1s state may be expressed as ψ(r) = Ae−r/a0....
The wave function for hydrogen in the 1s state may be expressed as ψ(r) = Ae−r/a0. Determine the normalization constant A for this wave function. (Use the following as necessary: a0.)
What is meant by the orbital approximation for the wave function of a many electron atom?...
What is meant by the orbital approximation for the wave function of a many electron atom? Describe the limitations of this approximation.
A particle's wave function is ψ(x) = Ae−c(x−b)2 where A = 1.95 nm−1/2 and b =...
A particle's wave function is ψ(x) = Ae−c(x−b)2 where A = 1.95 nm−1/2 and b = 0.600 nm. (a) What is the value of the constant c (in nm−2)? nm−2 (b) What is the expectation value for the position of this particle (in nm)? nm
a) Write the complete normalized wavefunction for an electron in a He+ ion in a 2pz...
a) Write the complete normalized wavefunction for an electron in a He+ ion in a 2pz hydrogenic orbital. Simply as much as possible, substituting appropriate numerical values for Z and n, and expressing your final answer in terms of r and ao. b) Determine the average distance, r, of an electron from the nucleus in a 2pz hydrogenic orbital of He+. Express your final value in units of ao.
A linear accelerator produces a pulsed beam of electrons. The current is 1.6 A for the...
A linear accelerator produces a pulsed beam of electrons. The current is 1.6 A for the 0.1 μs duration for each pulse. How many electrons are accelerated in each pulse? What is the average current of the beam if there are 1000 pulses per second? If each electron acquires an energy of 400 MeV, what is the average power output of the accelerator? Assume there are 1000 pulses per second for the accelerator. What is the peak output power? Hint:...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT