Atoms questions
233 published questions with worked solutions.
- To explain Bohr's theory, the principle of conservation of:
- The radius of the nth orbit of Bohr's atom is:
- Angular speed of an electron in the Bohr's orbit is given by
- Period of revolution of electron in the nth Bohr's orbit is given by
- The change in angular momentum of electron when it jumps from third orbit to first orbit in H atom is
- In an atom, two electrons move round the nucleus in circular orbits of radii R and 4R. The ratio of the times taken by them to...
- The binding energy of an electron in the hydrogen atom is
- The total energy of an electron in an excited state is E. What is its kinetic energy with proper sign?
- The binding energy of electron in the third orbit is 1.51 eV its P.E. in the same orbit is :
- The angular speed of the electron in the first orbit in a H atom is 4.103 10^ 16 rad/s. Hence the angular speed of the electron...
- The linear momentum of the electron in the ground state of H–atom is 2 10^ -24 kg m/s, its linear momentum in the 8th orbit is
- A hydrogen atom is in an excited state corresponding to an energy level of -0.85 eV. The frequency of the photon emitted if it...
- In the hydrogen atom spectrum, the series which lies in ultraviolet region is
- The value of Rydberg constant is of the order of
- E_1 is the energy of electron in first Bohr's orbit and R (Rydberg's constant) Then they are related as :
- The wavelength limit of Lyman series is in between
- Information about energy levels within the atoms of a gas, comes from the study of
- Line spectrum is obtained from the substance in
- Rydberg's constant is
- The Lyman transitions involve
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