| 1.8 |
Problems |
1.1) |
Distinguish between the structures of trees, buildings, bridges, the earth and the nucleus of an atom. Identify the building blocks and the forces that bind them. |
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| 1.2) |
The angular momentum L of a particle is given by r x p where r x p are position and momentum vectors respectively. The x component of angular momentum Lx equals y pz – z py. What is the operator for Lx? (Hint: The operator for the sum of two dynamical variables is the sum of the operators for the dynamical variables.) |
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| 1.3) |
What is the energy required to excite 1 mole of hydrogen atoms from the n = 2 state to the n = 7 state? Express the values of energy in eV, kJ, kJ/mol and cm-1. |
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