Atoms questions
233 published questions with worked solutions.
- The ratio of the wavelengths of H_ and H_ lines of Paschen series is of the order of
- Which series of H_2 atom lie in infrared region?
- The long wavelength limit of Lyman series is
- Ratio of the largest to the shortest wavelength in Lyman series of hydrogen spectra is
- Shortest wavelength in the Lyman series is 912 Å The longest wavelength in this series will be
- The energy required to excite H–atom from n =1 to n = 2 is 10.2 eV. What wavelength emitted by the atom when it returns to ground...
- If the electron in H–atom jump from an orbit with level n = 3 to an orbit with level p = 2, the wavelength of emitted radiation...
- The longest wavelength in Lyman series is (R=1.097 10^ 7 m^ -1 ) :
- What is the wave number of second line of Paschen series? Given R=1.099 10^ 7 m^ -1
- If R and R_1 are the Rydberg's constant for hydrogen and helium respectively, then:
- The series limit wavelength of the Balmer series for the hydrogen atom is
- The longest wavelength of the Balmer series is 6563 Å The Rydberg's constant is
- The H line of the Balmer series in hydrogen spectrum has a wavelength 4861 Å. The wavelength of the H line of the Balmer series is
- Optical pumping is a process by which atoms are:
- For an electron to revolve around the atomic nucleus without radiating energy, the electronic orbit should be
- The potential energy of an electron in nth Bohr orbit is :
- If R and R' are the Rydberg constants for hydrogen and helium respectively, then:
- Angular momentum of an electron in 9th Bohr orbit is 9.495 10^ -34 Js. What is its angular momentum in 20th Bohr orbit?
- If the wavelength of the first line of Balmer series of hydrogen atom is 6560 , the wavelength of the second line of the series...
- In a hydrogen atom, moment of inertia of the electron in the nth Bohr orbit is:
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