Related Questions
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The interrelationship between matter and energy was given by
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rays are a stream of
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The correct set of quantum numbers for the impaired electron of fluorine atom is
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Charge on fundamental particle neutrino is
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The wavelength of an electron moving with a velocity
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The atomic number of an element having the valence shell electronic configuration is
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Charge on an electron was shown by
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When the electron is excited from K level to M level we get
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If value of h is taken as , the de-Broglie wavelength of a particle of mass having velocity is
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The number of unpaired electrons in the ground state of chromium is
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The velocity of a photon is
A. dependent on its wavelength
B. dependent on its source
C. equal to cube of its amplitude
D. independent of its wavelength
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The corect set of quantum numbers for the impaired electron of fluorine atom is
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Isotopes have different
A. arrangement of electrons
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The maximum number of electrons that can be accommodated by an atom in g-sub-energy level are
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No two electrons in an atom can have the same values of all four quantum numbers according to
C. Pauli's exclusion principle
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The number of neutrons present in are
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In Lyman series an electron jumps from higher energy level to
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The fundamental particle that has least mass is
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In the nucleus of there are
A. 40 protons and 20 electrons
B. 20 protons and 40 electrons
C. 20 protons and 40 neutrons
D. 20 protons and 20 neutrons
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Electronic configuration of is
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A dipositive ion has in the K shell, 8 e~ s in the L shell and in the M shell. Atomic number of Z is
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Which elements is represented by the following electronic configuration?
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In an atom of hydrogen, which of the following orbitais has the lowest energy for an electron present in it?
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The angular momentum of the moving electron is equal to
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The relationship between energy of a radiation and its frequency was given by
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Which of the following has the highest mass?
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The charge on an atom of is
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In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?
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Wave number is defined as
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Mass of positron is the same to that of