Q30.If Rydberg's constant is R, the longest wavelength of radiation in Paschen series will be 7š , where š¼= ______.
What This Question Tests
This question tests the understanding of the Rydberg formula for spectral series, specifically the Paschen series, and how to determine the longest wavelength transition.
Concepts Tested
Formulas Used
1/Ī» = R (1/nāĀ² - 1/nāĀ²)
š NCERT Sections This Tests
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.
12.7 ā The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 Ā· Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3Ć10ā11 m. What are the radii of the n = 2 and n =3 orbits?
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?
š Question Details
- Chapter
- Atoms
- Topic
- Hydrogen spectrum (Rydberg formula)
- Year
- 2024
- Shift
- 27 Jan Shift 2
- Q Number
- Q30
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 12: Atoms
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