Homework Statement
A particle is prepared in the state \psi (x) = \frac{1}{\sqrt{L}} in a region 0 < x < L between two hard walls (particle in a box). Calculate the probability that the particle is found in the ground state when its energy is measured.
Homework Equations
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Homework Statement
Assume that a pressure wave produces a change in pressure at a point in space \Delta P(t) which is proportional to a sawtooth function of frequency f = 1/2 Hz.
(i) If the amplitude of the pressure wave is \Delta P_{0}, write down an expression for \Delta P(t).
(ii) Two...