(a) Define the probability density for a given wave function. How do you normalise a wave function? 4 (b) The wave function of a particle is described by: 4(x) = {Ae-x/ª, 0, -asxsa otherwise where A and lal are positive real constants. (1) Sketch and normalise . (ii) Where is the particle most likely to be found? Why? (iii) Calculate the expectation values of (x) and (x²).

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1. (a) Define the probability density for a given wave function. How do you normalise
a wave function?
W
(b) The wave function of a particle is described by:
-x/a -a≤x≤a
otherwise
Þ(x) = {Ae-¯x/ª.
0,
where A and lal are positive real constants.
(1) Sketch and normalise .
(ii) Where is the particle most likely to be found? Why?
(iii) Calculate the expectation values of (x) and (x²).
Transcribed Image Text:1. (a) Define the probability density for a given wave function. How do you normalise a wave function? W (b) The wave function of a particle is described by: -x/a -a≤x≤a otherwise Þ(x) = {Ae-¯x/ª. 0, where A and lal are positive real constants. (1) Sketch and normalise . (ii) Where is the particle most likely to be found? Why? (iii) Calculate the expectation values of (x) and (x²).
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