DP Physics (first assessment 2025)

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Question EXE.2.HL.TZ0.20bii

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Date Example questions Example questions Marks available [Maximum mark: 2] Reference code EXE.2.HL.TZ0.20bii
Level HL Paper 2 Time zone TZ0
Command term Outline Question number ii Adapted from N/A
ii.
[Maximum mark: 2]
EXE.2.HL.TZ0.20bii
(ii)

Outline why the wavelength of the photon has changed.

[2]

Markscheme

(Energy of photon inversely prop to wavelength)

 

photon transfers some of its energy to the electron. ✓

If its energy decreases so its wavelength increases. ✓

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