Question
A positronium 'atom' is a system that consists of a positron and an electron that orbit each other. The wavelength of the spectral lines in positronium are 'n' times, the wavelength of the corresponding lines in the hydrogen atom. The value of 'n' is :
Asked in HTET PGT Physics · 2025
The Line Spectra of the Hydrogen Atom · Physics
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Pressure is force per unit area, measured in pascals (N/m²).
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Questions Asked from Bohr Model of Atom: Hydrogen Spectrum, Applications & Limitations in Previous Exams
See how often Bohr Model of Atom: Hydrogen Spectrum, Applications & Limitations has appeared in previous-year questions across major government exams.
12UPSC Questions Asked in These Years:2010, 2011, 2012, 2015, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
10SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
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15State PSC Questions Asked in These Years:2002, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Bohr Model of Atom: Hydrogen Spectrum, Applications & Limitations has appeared in 45 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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