Igcse Model Questions Vol1 2023 Physics Question 10
Practice objective / multiple choice question 10 from the 2023 Igcse Model Questions Vol1 Physics examination.
An ion of singly ionised helium (He\(^+\)) has nuclear charge \(Z = 2\). An electron in this ion drops from the \(n = 4\) level to the \(n = 2\) level, emitting a photon. (a) Calculate the energy of the photon in joules (to three significant figures). (b) Determine the wavelength of the emitted radiation in nanometres (to three significant figures). (c) State whether the radiation lies within the visible spectrum (400-700 nm).
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About This Question
This is Igcse Model Questions Vol1 2023 Physics Question 10. It is one of the objective questions from the 2023 Igcse Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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