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Question 18N.2.SL.TZ0.5b

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.2.SL.TZ0.5b
Level SL Paper 2 Time zone TZ0
Command term Identify Question number b Adapted from N/A
b.
[Maximum mark: 1]
18N.2.SL.TZ0.5b

The diagram shows the position of the principal lines in the visible spectrum of atomic hydrogen and some of the corresponding energy levels of the hydrogen atom.

(b)

Identify, with an arrow labelled B on the diagram, the transition in the hydrogen spectrum that gives rise to the photon with the energy in (a).

[1]

Markscheme

–0.605 OR –0.870 OR –1.36 to –5.44 AND arrow pointing downwards ✔

Arrow MUST match calculation in (a)(i)

Allow ECF from (a)(i)

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