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.
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 ≤ 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...
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.)
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.
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
Let
AE =C+I+G+NX
where AE is the aggregate expenditure, C is the consumption
function, I is investment,
G is government expenditure and NX is the net export. Given C =
100 + 0.65Y
where Y is the national income and
I = 100, G = 100+0.10Y, NX = 0
(a) Graph the consumption function with Y on the horizontal axis
and C on the vertical axis.
(b) Graph the aggregate expenditure function with Y on the
horizontal axis and AE...
The parity operator P is defined by
ˆ Pψ (x) =ψ (−x)
for any function ψ(x).
(a) Prove that this parity operator P is Hermitian.
(b) Find its eigenvalues, and also its eigenfunctions (in terms
of ψ(x)).
(c) Prove that this parity operator commutes with the
Hamiltonian when potential V(x) is an even function.
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) +kħ, (b)
−kħ? (c) What form would the wave function have if it were
90% certain that the electron had linear momentum +kħ? (d)
Evaluate the kinetic energy of the electron.
Consider the following national-income model.
Y = AE(1)
AE = C + I0 + G0(2)
C = C0 + bY 0 < ? < 1(3)
(a)Remaining in parametric form (do not sub in parameter
values), build the equation for total spending AE (also known as
aggregate demand).
(b) Continuing in parametric form, find the RFE for equilibrium
national income Y* (also known as equilibrium national output).
(c) Using the parameter values ?0 = 25, ? = 0.75, ?0= 50, and...