Prepare for NEET Physics Atoms (Atomic Spectra) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to understand emission and absorption lines of atoms.
An electron in a hydrogen atom transitions from an unknown energy level to . If the emitted photon has a wavelength of 486 nm, what is the value of ? (Rydberg constant, R = )
3
4
5
6
The ratio of the wavelengths of the first line of the Lyman series and the first line of the Balmer series in the hydrogen spectrum is:
27/5
5/27
9/5
5/9
A singly ionized Helium atom emits a photon of wavelength 164 nm. If the final state of the electron is n=3, what was the initial state?
4
5
6
7
The limiting line in the Balmer series of hydrogen corresponds to a transition from to . What is the wavelength of this line? (Rydberg constant, )
121.6 nm
364.6 nm
656.3 nm
820.6 nm
In the spectrum of a hydrogen-like species, the wavelength of the first line of the Lyman series is . What is the wavelength of the first line of the Balmer series for this species?
27λ/5
5λ/27
4λ/3
36λ/5
Which of the following is NOT a characteristic of line spectra of atoms?
Quantized energy levels
Discrete lines
Characteristic of the element
Continuous spectrum
The Balmer series in the hydrogen spectrum corresponds to electron transitions ending at which energy level (n)?
n = 1
n = 2
n = 3
n = 4
Which of the following is associated with the emission of electromagnetic radiation by an atom?
Electron transitioning from a lower energy level to a higher energy level
Electron transitioning from a higher energy level to a lower energy level
Electron remaining in its ground state
Electron being removed from the atom
The lines in the atomic spectrum of hydrogen are due to:
The presence of isotopes of hydrogen
The continuous spectrum of hydrogen
Transitions of electrons between different energy levels
The nuclear reactions within the hydrogen atom
