Igcse Model Questions Vol1 2020 Physics Question 10
Practice objective / multiple choice question 10 from the 2020 Igcse Model Questions Vol1 Physics examination.
A spectral line of wavelength \(434\) nm is observed in the emission spectrum of hydrogen. Assuming the line belongs to the Balmer series (final level \(n_f=2\)), determine the initial energy level \(n_i\) of the transition. Then calculate the energy of the emitted photon in joules. Use the Rydberg constant \(R=1.097\times10^{7}\) m\(^{-1}\), Planck's constant \(h=6.626\times10^{-34}\) J s and the speed of light \(c=3.00\times10^{8}\) m s\(^{-1}\).
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This is Igcse Model Questions Vol1 2020 Physics Question 10. It is one of the objective questions from the 2020 Igcse Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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