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Sushree Sweta Priyadarshini posted an Question
September 26, 2021 • 22:04 pm
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10 points
10 points
- IIT JAM
- Physics (PH)
The expectation value of positi on and momentum of a particle having normalized wave function )= nexp - (ar)=0 (p») = 0 (r) =0 p-) = hk correct answer (ar) = hk
The expectation value of positi on and momentum of a particle having normalized wave function )= Nexp - (ar)=0 (P») = 0 (r) =0 P-) = hk CORRECT ANSWER (ar) = hk (P-) = 0 ()hk (P)= hk
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Isha lohan 1![best-answer]()
Option b is correct because. It is a gaussian function, and expectation value of x is always 0 for gaussian function given in your ques of dirwct x^2 rather (x-a) ^2. If the gaussian fun tion has. (x-a) term then expectations value comes a. And for a gaussian function moment expectations value is hk. This comes by a lot of mathematics. And we usually remembers this value for doing our questions fast in exam.