Hydrogen spectrum and spectral series

30 questions on Hydrogen spectrum and spectral series from the Atomic Structure chapter: 6 NEET level, 11 JEE Main, 13 JEE Advanced. Each one opens with its answer and solution.

• The lines of the Lyman series in the hydrogen spectrum lie in the NEET level
• A large collection of hydrogen atoms is excited to the n = 4 level. The maximum number of different spectral lines that can be emitted as they return to lower l... NEET level
• All lines of the Balmer series of hydrogen result from electronic transitions that end at the level with n equal to NEET level
• Which Balmer transition gives the line of longest wavelength? NEET level
• Which of the following electronic transitions in a hydrogen atom emits a photon of the highest energy? NEET level
• The lines of the Paschen series of hydrogen lie in the NEET level
• Use R_H = 1.097x10^7 m^-1. The wavelength of the first line (longest wavelength) of the Lyman series of hydrogen is JEE Main level
• The ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series of hydrogen is JEE Main level
• A large number of hydrogen atoms are excited to the n=5 level. How many of the emitted lines belong to the Balmer series? JEE Main level
• For the same transition n=3-> n=2, the ratio of the wavelength emitted by He+ to that emitted by hydrogen is JEE Main level
• Which transition in He+ emits radiation of the same wavelength as the n=2-> n=1 line of hydrogen? JEE Main level
• Use R_H = 1.097x10^7 m^-1. The shortest wavelength in the Paschen series of hydrogen is nearest to JEE Main level
• Use R_H = 1.097x10^7 m^-1. Calculate the wavelength, in nm (nearest integer), of the hydrogen line produced by the transition n=4-> n=2. JEE Main level
• Use h = 6.626x10^-34 J s, 1 eV = 1.6x10^-19 J and E_1 = -13.6 eV. Find the frequency of the photon emitted in the n=3-> n=1 transition of hydrogen, in units of ... JEE Main level
• Use h = 6.626x10^-34 J s, c = 3.0x10^8 m s^-1 and 1 eV = 1.6x10^-19 J. A hydrogen atom is in the n=2 level. What is the longest wavelength of light, in nm (one ... JEE Main level
• Use R_H = 1.097x10^7 m^-1. Find the wavelength of the n=2-> n=1 line of He+ in nm (one decimal). JEE Main level
• Select the correct statements about the Lyman series of atomic hydrogen. JEE Main level
• Light from the n=3-> n=1 transition of hydrogen falls on a metal of work function 4.0 eV (take E_1 = -13.6 eV). The maximum kinetic energy of the photoelectrons... JEE Advanced level
• The ratio (longest wavelength of the Balmer series) : (shortest wavelength of the Paschen series) of hydrogen is JEE Advanced level
• A line in the He+ spectrum coincides in wavelength with the n=3-> n=2 line of hydrogen. This He+ transition is JEE Advanced level
• Hydrogen atoms are excited to the n=6 level and all possible downward transitions occur. How many distinct spectral lines have a wavelength longer than that of ... JEE Advanced level
• Use R_H = 1.097x10^7 m^-1. The n=3-> n=2 line of a certain hydrogen-like ion is observed at 72.9 nm. Find the atomic number Z of the ion (nearest integer). JEE Advanced level
• Use h = 6.626x10^-34 J s, c = 3.0x10^8 m s^-1, 1 eV=1.6x10^-19 J and E_1=-13.6 eV. Radiation from the n=4-> n=2 transition of hydrogen is incident on a metal wh... JEE Advanced level
• Use c = 3.0x10^8 m s^-1, 1 eV=1.6x10^-19 J, E_1=-13.6 eV and m_H = 1.67x10^-27 kg. A stationary hydrogen atom emits a photon in the n=2-> n=1 transition. Neglec... JEE Advanced level
• Use R_H = 1.097x10^7 m^-1. The Lyman series limit of a hydrogen atom lies at a longer wavelength than that of Li^2+. Find the difference between the two limits ... JEE Advanced level
• A large sample of hydrogen atoms is excited to the n=4 level and all possible downward transitions occur. Select the correct statements. JEE Advanced level
• Which He+ transitions emit light of the same wavelength as some line of the hydrogen spectrum? JEE Advanced level
• Use R_H = 1.097x10^7 m^-1 and E_1=-13.6 eV. Select the correct statements about the series limits of hydrogen. JEE Advanced level
• A hydrogen atom in its ground state interacts with photons (not electrons) of the energies below. Take E_1=-13.6 eV. Select the correct statements. JEE Advanced level
• Use R_H = 1.097x10^7 m^-1. Hydrogen atoms are excited to n=3 and then emit all possible lines. Select the correct statements. JEE Advanced level