Atoms questions
233 published questions with worked solutions.
- An electron in the hydrogen atom jumps from nth energy state to the ground state. The wavelength so emitted illuminates a...
- Using Bohr's quantisation condition, what is the rotational energy in the second orbit for a diatomic molecule? (I= moment of...
- In Paschen series, wavelength of first line is ' _1' and for Brackett series, wavelength of first line is ' _2' then ratio _1 _2...
- The electron of a hydrogen atom makes a transition from the (n + 1)^ th orbit to the n^ th orbit. For large n the wavelength of...
- A hypothetical atom has only three energy levels. The ground level has energy, E_1 = -8eV. The two excited states have energies,...
- In the Bohr model an electron moves in a circular orbit around the proton. Considering the orbiting electron to be a circular...
- A 12.5eV electron beam is used to bombard gaseous hydrogen at room temperature. It will emit:
- Consider a hydrogen atom with v_k, r_k, and K_k denoting the velocity, orbital radius and kinetic energy of the electron in the...
- In the first excited state of hydrogen atom, the energy of its electron is -3.4 eV. The radial distance of the electron from the...
- Consider that an electron is revolving in an excited state of Hydrogen atom with velocity 25.6 10^ 5 ms ^ -1 . The radius of the...
- According to Bohr's theory, the time averaged magnetic field at the centre (i.e., nucleus) of a hydrogen atom due to the motion...
- In a hydrogen atom, the electron moves round the nucleus with velocity 2.18 10^6 , ms ^ -1 in an orbit of radius 0.528 Å . The...
- In an atom, for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force...
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