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Physics (AS & A Level) · Oct / Nov 2025 · Paper 42 · Question 8

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Fig. 8.1 shows the three lowest-frequency lines in the part of the emission spectrum for hydrogen that relates to electron transitions to the ground state (level n = 1). 3.09 2.92 2.47 Fig. 8.1 (not to scale) The numbers represent the frequencies, in 1015 Hz, associated with the spectral lines.

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  • 8(a)[3]

  • 8(b)(i)[1]

  • 8(b)(ii)[2]

  • 8(b)(iii)[4]

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