Atoms questions
233 published questions with worked solutions.
- The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is
- The total energy of an electron in an atom in an orbit is -3.4 eV. Its kinetic and potential energies are, respectively:
- The ratio of minimum wavelength of Lyman and Balmer series will
- The magnetic moment (m_ orb ) of a revolving electron around the nucleus varies with the principle quantum number (n) as
- For wavelength of visible radiation of hydrogen spectrum Balmer gave an equation as = (km^2) (m^2 - 4) , where 'm' is the integer...
- Using Bohr's quantization, what is the rotational energy in the 2^ nd orbit for a diatomic molecule? (I = moment of inertia of a...
- An electron in stationary hydrogen atom jumps 4^ th energy level to ground level. The velocity that the photon acquired as a...
- The wavelength of light for the least energetic photons emitted in the Lyman series of the hydrogen spectrum is nearly [Take hc =...
- The force acting on the electron in hydrogen atom (Bohr' theory) is related to the principle quantum number 'n' as
- The ratio of longest to shortest wavelength emitted in Paschen series of hydrogen atom is
- Using Bohr's model, the orbital period of electron in hydrogen atom in n^ th orbit is (m = mass of electron, h = Planck's...
- The potential energy of the orbital electron in the ground state of hydrogen atom is -E. What is the kinetic energy?
- If an electron in hydrogen atom jumps from 3rd orbit to 2nd orbit, it emits a photon of wavelength ' '. When it jumps from 4th...
- If 'E' and 'L' denote the magnitudes of total energy and of angular momentum of electron in Bohr orbit then the true relation...
- In Lyman series, series limit of wavelength is _1. The wavelength of first line of Lyman series is _2 and in Balmer series, the...
- An electron is revolving in a circular orbit of radius 'r' in hydrogen atom. Using Bohr's theory the angular momentum of the...
- The force acting on the electron in hydrogen atom (Bohr's theory) is related to the principal quantum number n as
- For wavelength of visible radiation of Hydrogen spectrum, Balmer gave an equation as = xm^2 m^2 - 4 , where m is the integer...
- The ratio of the wavelength of the last line of Paschen series to that of Balmer series is
- In hydrogen spectrum, the ratio of wavelengths of the last line of Lyman series and that of the last line of Balmer series is
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