Calculate the following commutators: (a) [P, ² ] (b) [â² , p²]

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Q: The figure below shows the electron and hole concentration in a silicon region. The electron and hol...

A: (a) Given: The electron and hole mobilities are 500 cm2Vs and 200 cm2Vs. The electric field is 0.5 V...

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A: (1) The four main spheres of study in physical geography are as follows- (a) Biosphere, lithosphere,...