Q20.If an emitter current is changed by 4 mA, the collector current changes by 3 . 5 mA. The value of ๐ฝ will be: (1) 3.5 (2) 0.5 (3) 0.875 (4) 7
What This Question Tests
This question requires identifying specific spectral transitions in the hydrogen atom based on their initial and final energy levels and correlating them with the different series.
Concepts Tested
๐ NCERT Sections This Tests
12.8 โ A 12.5 Ev Electron Beam Is Used To Bombard Gaseous Hydrogen At
Physics Class 12 ยท 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?
12.3 โ A Difference Of 2.3 Ev Separates Two Energy Levels In An Atom. What
Physics Class 12 ยท 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?
12.5 โ A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 ยท 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.
๐ Question Details
- Chapter
- Atoms
- Topic
- Hydrogen Atom Energy Levels and Spectral Series
- Year
- 2021
- Shift
- 24 Feb Shift 1
- Q Number
- Q20
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 12: Atoms
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