Practice portal › NEET › Atoms

Hydrogen Spectrum and Transitions for NEET: 19 solved questions

Real NEET paper questions on hydrogen spectrum and transitions, part of atoms. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 1990 to 2017. No sign-in needed to read them.

What this topic asks

• Spectral series and wavelengths — 11 questions
• Number of spectral lines — 4 questions
• Links to recoil, photoelectric effect and X-rays — 2 questions
• Line spectra and their sources — 2 questions

All 19 questions with solutions

• The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is NEET 2017
• If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits a photon of wavelength… NEET 2016
• In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelengt… CBSE AIPMT 2015
• Hydrogen atom in ground state is excited by a monochromatic radiation of λ=975 A. Number of spectral lines in… CBSE AIPMT 2014
• Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is NEET 2013
• Electron in hydrogen atom first jumps from third excited state to second excited state and then from second e… CBSE AIPMT 2012
• An electron of a stationary hydrogen atom passes from the fifth energy level to the ground level. The velocit… CBSE AIPMT 2012
• The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Bal… CBSE AIPMT 2011
• The ionisation energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are exci… CBSE AIPMT 2009
• Ionisation potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochrom… CBSE AIPMT 2006
• Energy E of a hydrogen atom with principal quantum number n is given by E=(-13.6)/(n²) eV. The energy of a ph… CBSE AIPMT 2004
• Which of the following transitions gives photon of maximum energy? CBSE AIPMT 2000
• When electron jumps from n=4 to n=2 orbit, we get CBSE AIPMT 2000
• The spectrum obtained from a sodium vapour lamp is an example of CBSE AIPMT 1995
• Doubly ionised helium atoms and hydrogen ions are accelerated from rest through the same potential drop. The… CBSE AIPMT 1994
• Hydrogen atoms are excited from ground state of the principal quantum number 4. Then, the number of spectral… CBSE AIPMT 1993
• Which source is associated with a line emission spectrum? CBSE AIPMT 1993
• The ionisation energy of hydrogen atom is 13.6 eV. Following Bohr's theory, the energy corresponding to a tra… CBSE AIPMT 1992
• Energy levels A, B, C of a certain atom correspond to increasing values of energy i.e. E_A<E_B<E_C. If λ₁, λ₂… CBSE AIPMT 1990