EASY
12th Odisha Board
IMPORTANT
Earn 100

If the series limit wavelength of the Lyman series for hydrogen atom is 912 A°, then the series limit wavelength of the Balmer series of hydrogen atom is

100% studentsanswered this correctly

Important Questions on Atomic Physics

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 90
The first spectral line of sodium atom is 5890 A°. The first excitation potential of sodium is
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 91
Infrared spectrum lies between
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 92
Of the following transitions in the hydrogen atom, the one which gives an emission line of the highest frequency is
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 93
For light of wavelength 5000 A°, photon energy is nearly 2.5 eV. For X-Ray of wavelength 1 A°, the photon energy will be close to
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 94
The kinetic energy of the electron in an orbit of radius r in hydrogen atom is (e=electronic charge)
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 95
Band Spectrum is produced by
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 96
Ionisation potential of the hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1 eV. The spectral lines emitted by the hydrogen atoms according to Bohr's theory will be
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 97
When the electron in the hydrogen atom jumps from the second orbit to the first orbit, the wavelength of the radiation emitted is λ. When the electron jumps from the third orbit to the first orbit, the wavelength of the emitted radiation would be