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Unformatted text preview: eV. Does a photon of this same energy also have a wavelength of 1.7 x 10^-10 m? E = hf and f = c/λ, so λ = hc/E = 2.3 x 10^-8 m; more than 100x greater than the wavelength of an electron of the same energy. 3. Absolute zero is the temperature at which molecular motion is at an absolute minimum. Use the Heisenberg uncertainty principle to explain why there must be some molecular motion even at T = 0 K. No, if no movement there would be zero uncertainty in its position. Heisenberg states this can never be zero. 4. N/A 5. Does a wave packet given by Eq. 39.25 represent a stationary state? It does not represent a state of indefinite energy and therefore not a stationary state. See page 1535 for more information....
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This note was uploaded on 04/18/2008 for the course PHYS 0030 taught by Professor Cutts during the Spring '07 term at Brown.
- Spring '07