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Consider two cases of one dimensional potential well. The first case is an infinite potential will V = 0, for a < x < 0 the second case is a finite potential well. Which of the following is true? [for E < V_{0}]
The correct answers are: for infinite case & for finite case for infinite case & for the finite case
The Steadystate form of Schrodinger wave equation is _____________
The Steadystate Schrodinger Wave equation is a linear in the wave function Ψ. It means, that no term has \Psi with a degree greater than 1.
For a wave function ψ(x) , its time dependence can be seen from Select the correct option.
is normalised, so is & neither of has any time dependence.
The correct answers are: If is normalised, then has to be normalised, Neither of & has any time dependence
Consider the solutions to particle in one dimensional box of length, L.
Which of the following is true for the group of functions ψ_{2}(x)
The solution of a symmetric infinite potential well consists of
Now, any function can be written as a linear combination of these functions (sin and cos)
∴ They form a complete let
The correct answers are: They are alternately even and odd with respect to the centre of the well, As we go up in energy, each successive state has one more node. i.e. ψ_{1}(x) has none, ψ_{2}(x) has one, ψ_{3}(x) has 2 and so on, They are mutually orthogonal, They form a complete set
Choose the correct option.
For the case of particle in a one dimensional box.
The correct answers are:
For the above cases of onedimensional infinite and finite potential wells which of the following is true?
Energy levels are same!
The correct answer is: Energy levels are same, in both cases.
For a particle in a one dimensional box,
There is zero probability of finding the particle at
Probability is 0 at x = 0 & a
For
Probability density is zero at x = 0, a/2 , a
Probability density zero at x = 0,
The correct answers are:
Which of the following is true in case of a free particle?
The Schrodinger equation solution are
∴ momentum eigenfunction.
The correct answers are: The Schrodinger equation yields the solution to be (linear combination of the two), The solutions of the Schrodinger equation are both energy and momentum eigenfunctions
In any arbitrary potential, an acceptable solution of the Schrodinger equations must satisfy which of the following properties?
The correct answers are: The gradient of the solution must be single valued, finite and continuous at the every point, The gradient should also be bounded at large distances, The wave function must be continuous throughout, The wave function must vanish at the point where the potential approaches infinity
Which of the following is true for a quantum harmonic oscillator?
for a harmonic oscillator
∴ evenly spaced.
The correct answers are: A spectrum of evenly spaced energy levels, A non zero probability of finding the oscillator outside the classical turning points
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