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Wave number or wavelength of the photon emitted in a given transition of the hydrogen atom

The same question, asked 5 times: 9 May 2024 S1*, 9 May 2024 S2*, 13 May 2024 S2*, 19 Apr 2025 S2*, 14 May 2026 S2. Every wording below, oldest first.

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  1. Question 1

    9 May 2024 S1

    62
    Calculate the wave number of the photon emitted during transition from the orbit of n=2n=2 to n=1n=1 in hydrogen atom (RH=109677 cm−1R_H=109677\,cm^{-1})

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  2. Question 2

    9 May 2024 S2

    80
    What is the wave number of photon emitted during transition from orbit n=4n = 4 to n=2n = 2 in hydrogen atom? (RH=109677R_H = 109677 cm−1^{-1})

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  3. Question 3

    13 May 2024 S2

    57
    Calculate the wave number of photon emitted during transition from the orbit of n=3n=3 to n=2n=2 in hydrogen atom (RH=109677 cm−1R_H=109677\ \text{cm}^{-1})

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  4. Question 4

    19 Apr 2025 S2

    99
    What is the wavenumber of the photon emitted during transition from the orbit n=5n = 5 to that of n=2n = 2 in hydrogen atom? [RH=109677 cm−1]\left\lbrack R_{H}= 109677{\text{ }cm}^{- 1} \right\rbrack

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  5. Question 5

    14 May 2026 S2

    2
    What is the wavelength of the photon emitted during the transition from the orbit of n=4n = 4 to that of n=2n = 2 in hydrogen atom?

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