You illuminate a pure sodium metal with a lamp with a given wavelength, 400.0nm. You measure the wavelength of the electrons that are emitted. What is their minimum wavelength? The exit work for sodium is 2.28 eV.
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You illuminate a pure sodium metal with a lamp with a given wavelength, 400.0nm. You measure the wavelength of the electrons that are emitted. What is their minimum wavelength? The exit work for sodium is 2.28 eV.
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- I need some help with the following problem. 1a. What is the maximum number of electrons that can be emitted if a potassium surface of work function 2.40 eV absorbs 5.00 x 10-3 J of radiation at a wavelength of 325 nm? b. What is the kinetic energy and velocity of the electrons emitted?helpa. The electron of a hydrogen atom is excited into a higher energy level from a lower energy level. A short time later the electron relaxes down to the no = 1 energy level, releasing a photon with a wavelength of 93.83 nm. Compute the quantum number of the energy level the electron relaxes from, nhi. Note: the Rydberg constant in units of wavenumbers is 109,625 cm-1 nhi =16 b. What would the wavenumber, wavelength and energy of the photon be if instead no = 1 and nhi = 4? V: 6.9121e14 x (cm-¹) λ: (nm) E: 45.8e-20 ✓ (1)
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