What is the fundamental quantity that must be non-zero if absorption will take p

Question

What is the fundamental quantity that must be non-zero if absorption will take place from psi_i, the initial state, to the final state psi_f? Contrast the IR spectrum of O=C=O versus O=C=S in terms of their symmetric and antisymmetric normal mode vibrations (i.e., active versus inactive modes) Describe and contrast pure microwave spectra and rotational-vibration spectra. Let psi_nlm be a wave function for a hydrogenic atom. For which of the following operators is psi_nlm an eigenfunction and identify the associated eigenvalues .H, L^2, L_x, L_y, L_z. Carefully write down the potential energy V(r_1, r_2, r_3) for the Lithium atom below.

Explanation / Answer

5. H, L^2 and Lz are the three operators with eigenvalues E, hcut* sqrt(l(l+1)), m*hcut where hcut= h/2* 3.141

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