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DISHA PUBLICATION-STRUCTURE OF ATOM-Exercise
- The de-Broglie wavelength of a particle of mass 6.63 g moving with a v...
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- The correct set of four quantum numbers for valence electrons of rubid...
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- The number of neutrons in dipositive zinc ion with mass number 70 is.
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- Which of the following pairs are isosters ?
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- Let m(p) be the mass of a poton , M(1) the mass of a (10)^(20) Ne nucl...
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- The ratio of specific charge of a proton and an alpha-particle is :
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- Which one of the following sets of ions represents the collection of i...
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- The increasing order (lowest first) for the values of e//m (charge//ma...
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- Which of the following pairs of nucleides are isodiaphers ?
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- The discovery of neutron becomes very late because.
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- Of the following sets ,which one does not contain isoeletronic species...
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- The pair NH(3) and BH(3) is isoelectronic with
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- The energy of an electron in the nth Bohr orbit of hydrogen atom is
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- Which of the following statement does not form part of Bohr's model o...
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- When an electron of charge , e and mass , m moves with velocity v arou...
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- Bohr's radius for the H-atom (n =1) is approximately 0.53 Ã…. The ra...
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- According to Boohr's theory the angular momentum of an electron in 5th...
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- An electron from one Bohr stationary orbit can go to next higher orbit...
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- The potential energy of the electron present in the ground state of L...
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- The angular speed of electron in the nth orbit of hydrogen atom is
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