(a) Explain why the Bohr model of the atom violates the Heisenberg Uncertainty Principle.
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- An electron sitting in the -4eV energy level of this atom is struck with a photon of wavelength 345nm. As a result, the electron will -0.2 ev --0.4 ev -1.8 ev 4 ev O Absorb the photon and rise to the -0.4eV energy level Absorb the photon and rise to the -1.8eV energy level Not absorb the photon, and will remain in the -4eV energy level Absorb the photon and escape the atom Absorb the photon and rise to the -0.2eV energy levelAccording to Bohr correspondence principle when quantum number is very large (A) frequency of revolution of electron on an orbit is equal to the frequency of photon emitted when electron jumps from that orbit to next lovwer orbit. (B) classical physics approaches quantum physics. (C) wavelength of electron De-Broglie wavelength does not depend on kinetic energy of electron. (D) energy of electrons are not quantized.(b) Evaluate the ratio of the de Broglie wavelength of electron to that of proton when (m₂=9.11 × 10-3¹ kg, mp=1.67 × 10-27 kg) (i) both have the same kinetic energy. (ii) The electron kinetic energy is 1000 eV, and the proton kinetic
- Find (a) the longest wavelength in the Lyman series and (b) theshortest wavelength in the Paschen series(1) Based on Bohr model assumptions, prove that the wavelength equation of the hydrogen emitted 1 radiation is given by RH AnswerWhy is the analysis of the helium atom much more complex than that of the hydrogen atom, either in a Bohr type of model or using the Schrödinger equation?
- According to Bohr correspondence principle when quantum number is very large (A) frequency of revolution of electron on an orbit is equal to the frequency of photon emitted when electron jumps from that orbit to next lovwer orbit. (B) classical physics approaches quantum physics. (C) wavelength of electron De-Broglie wavelength does not depend on kinetic energy of electron. (D) energy of electrons are not quantized.Find the radius, speed and de Broglie wavelength of an electron in the n = 3 state of a hydrogen atom according to Bohr's model of the atom.(a) If an electron makes a transition from the n = 7 Bohr orbit to the n = 3 orbit, determine the wavelength of the photon created in the process. nm(b) Assuming that the atom was initially at rest, determine the recoil speed of the hydrogen atom when this photon is emitted. m/s
- 4. (a) Calculate the de Broglie wavelength of An electron travelling at 4 x 106 m/s and (i) (ii) A car of mass 1.1 × 106 g travelling at 15 m/s. (b) Comment on the significance of the relative magnitude of your answers in part (a). Note: the diameter of an atom is on the order of 10-10 m.4) When a photon of (5 ev) energy is fall in to the atom, the wavelength of the electromagnetic wave is equal to ..... .m ?