cse • paper_2 • quantum_mechanics
[UPSC CSE 2005] Foundations of Quantum Mechanics (Q72, 10+10M)
(i) Write the commutation relations for the position variable x and the momentum components p_x, p_y and p_z. Explain the physical significance of these relations. (ii) Calculate the de Broglie wavelength of an electron moving with a kinetic energy of 1 MeV.
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