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Atoms and Nuclei

Physics

Previous Years Questions

MCQ (More than One Correct Answer)

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A sample of hydrogen atom in its ground state is radiated with photons of 10.2 eV energies. The radiation from the sampl...
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MCQ (Single Correct Answer)

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Suppose in a hypothetical world the angular momentum is quantized to be even integral multiples of $${h \over {2\pi }}$$...
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If the kinetic energies of an electron, an alpha particle and a proton having same de-Broglie wavelength are $${\varepsi...
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Let r, v, E be the radius of orbit, speed of electron and total energy of electron respectively in H-atom. Which of the ...
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A 12.5 eV electron beam is used to bombard gaseous hydrogen at ground state. The energy level upto which the hydrogen at...
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If R is the Rydberg constant in cm-1, then hydrogen atom does not emit any radiation of wavelength in the range of...
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