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Determine the particle鈥檚 most probable position.

Short Answer

Expert verified

The most probable position for the particle with the given wave function is 32a.

Step by step solution

01

Define the most probable position

A particle of mass m is represented by a wave function,

(x)={2a3xe-axx>00x<0

The most probable position of this particle is mathematically defined as

x'=-2xxdx

02

Determine the most probable position for the given wave function.

Expanding the integral into two parts,

x'=-02xxdx+02xxdx=0+02a3xe-ax2xdx=04a3x2e-2axxdx=4a30x3e-2axdx

Taking the integration part separately and solving it using By Parts method

I=0x3e-2axdx=x3e-2ax-2a-3x2e-2ax4a2+3xe-2ax4a3-3e-2ax8a40=0--3e08a4=38a4

Inserting this result in the most probable expression,

x'=4a338a4=32a

Hence the most probable position for the particle with a given wave function is 32a.

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