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An electron with kinetic energy 5 eV is incident on a H-atom in its ground state. The collision,

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Important Questions on Atomic Physics

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The transition from the state n=4 to n=3 in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition from:
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Energy E of a hydrogen atom with principal quantum number n is given by E=-13.6n2 eV. The energy of a photon ejected when the electron jumps from n=3 state to n=2 state of hydrogen is approximately:
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The total energy of an electron in the first excited state of hydrogen atom is about -3.4 eV. Its kinetic energy in this state
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Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1 eV. According to Bohr's theory, the spectral lines emitted by hydrogen will be

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The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy?

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An alpha nucleus of energy 12mv2 bombards a heavy nuclear target of charge Ze. Then the distance of the closest approach for the alpha nucleus will be proportional to
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Which of the following transitions in a hydrogen atom emits photon of the highest frequency?
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Suppose an electron is attracted towards the origin by a force kr2, where k is a constant and r is the distance of the electron from the origin. By applying Bohr model to this system, the radius of the nth orbital of the electron is found to be rn and the kinetic energy of the electron to be T. Then which of the following is true?