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प्रश्न
State Bohr postulate of hydrogen atom that gives the relationship for the frequency of emitted photon in a transition.
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उत्तर
According to Bohr's postulate: electron might make a transition from one of its specified non-radiating orbits to another of lower energy. When it does so, a photon is emitted having energy equal to the energy difference between the initial and final state.
hν = Ei − Ef
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संबंधित प्रश्न
In Bohr’s model of the hydrogen atom, the radius of the first orbit of an electron is r0 . Then, the radius of the third orbit is:
a) `r_0/9`
b) `r_0`
c) `3r_0`
d) `9r_0`
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The electron in hydrogen atom is initially in the third excited state. What is the maximum number of spectral lines which can be emitted when it finally moves to the ground state?
Radiation from hydrogen discharge tube falls on a cesium plate. Find the maximum possible kinetic energy of the photoelectrons. Work function of cesium is 1.9 eV.
According to Bohr, 'Angular momentum of an orbiting electron is quantized'. What is meant by this statement?
The radius of the third Bohr orbit for hydrogen atom is ____________.
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[Take, h = 6.6 × 10-34 J-s]
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