DP Physics (first assessment 2025)

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Question 22M.1A.SL.TZ1.24

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ1.24
Level SL Paper 1A Time zone TZ1
Command term Question number 24 Adapted from N/A
24.
[Maximum mark: 1]
22M.1A.SL.TZ1.24

Some transitions between the energy states of a particular atom are shown.

Energy transition E3 gives rise to a photon of green light. Which transition will give rise to a photon of longer wavelength?

A.  E1

B.  E2

C.  E4

D.  E5

[1]

Markscheme

C

Examiners report

This question was well answered by SL candidates, although answer A was a distractor for many. This question had the highest discrimination index on this SL paper.

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