(A) An atom consist of central core or nucleus around which electrons exist
(B) The nucleus has most of the atom
(C) The nucleus consist of protons and neutrons
(D) Each distinct atom has a specific number of protons
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Energy of photon is inversly proportion to?
(A) Wave length
(B) Frequency
(C) Wave number
(D) None of the above
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The concept of dual nature of radiation was introduced by?
(A) E.Schrondiger
(B) A.Enstian
(C) G.Bell
(D) de-Brogle
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Bohar’s model could explain successfuly?
(A) The spectra of HE
(B) The spectrum of species containing one electron only
(C) The spectrum of multi electron atom
(D) The spectrum of hydrogen molecule
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The heaviest sub atomic particle is?
(A) Proton
(B) Electron
(C) Neutron
(D) Meson
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Rutherford’s model of the atom accounts for the?
(A) Scattering of Alpha particals by metal foils
(B) Stability of electron orbits
(C) Stability of atoms
(D) Line spectra of the light elements
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The schrodinger equation is solved for any system gives?
(A) The mean force path
(B) The polarizability
(C) The energy function
(D) The wave function
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Which of the following particals has maximum charge to mass ratio?
(A) Electron
(B) Neutron
(C) Ptoton
(D) Alpha-particle
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Which of the following statement is related to VBT?
(A) It treats the bond as purely ionic
(B) VBT used the concept of resonance
(C) VBT does not explain the paraganetic nature of molecule
(D) It uses only valance electron