Q27.Some energy levels of a molecule are shown in the figure. The ratio of the wavelengths ๐= ๐1 is given by: ๐2, 1 4 (1) ๐= (2) ๐= 3 3 (3) ๐= 2 (4) ๐= 3 3 4
What This Question Tests
This question tests the understanding of energy transitions between quantized energy levels in a molecule and the inverse relationship between the energy of emitted photons and their wavelengths.
Concepts Tested
Formulas Used
E = hc/ฮป
E = E_final - E_initial
๐ NCERT Sections This Tests
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.
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?
12.7 โ The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 ยท Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3ร10โ11 m. What are the radii of the n = 2 and n =3 orbits?
๐ Question Details
- Chapter
- Atoms
- Topic
- Energy levels and Wavelengths
- Year
- 2017
- Shift
- 02 Apr
- Q Number
- Q27
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 12: Atoms
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