Q28.A 12.5eV electron beam is used to bombard gaseous hydrogen at room temperature. It will emit: (1) 2 lines in the Lyman series and 1 line in the (2) 3 lines in the Lyman series Balmar series (3) 1 line in the Lyman series and 2 lines in the (4) 3 lines in the Balmer series Balmar series
What This Question Tests
This question assesses the understanding of hydrogen atom energy levels and the possible emission lines (Lyman and Balmer series) when bombarded with electrons of a specific energy.
Concepts Tested
Formulas Used
E_n = -13.6/nĀ² eV
š NCERT Sections This Tests
12.8 ā A 12.5 Ev Electron Beam Is Used To Bombard Gaseous Hydrogen At
Physics Class 12 Ā· Chapter 12
12.8 A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. What series of wavelengths will be emitted?
12.5 ā A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 Ā· Chapter 12
12.5 A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n = 4 level. Determine the wavelength and frequency of photon.
12.3 ā A Difference Of 2.3 Ev Separates Two Energy Levels In An Atom. What
Physics Class 12 Ā· Chapter 12
12.3 A difference of 2.3 eV separates two energy levels in an atom. What is the frequency of radiation emitted when the atom make a transition from the upper level to the lower level?
š Question Details
- Chapter
- Atoms
- Topic
- Hydrogen Spectrum
- Year
- 2013
- Shift
- 25 Apr Online
- Q Number
- Q28
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 12: Atoms
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