DP Physics (first assessment 2025)

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Question 22N.2.HL.TZ0.7a.i

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Date November 2022 Marks available [Maximum mark: 2] Reference code 22N.2.HL.TZ0.7a.i
Level HL Paper 2 Time zone TZ0
Command term Sketch Question number a.i Adapted from N/A
a.i.
[Maximum mark: 2]
22N.2.HL.TZ0.7a.i
(a.i)

The intensity of light at point O is I0. The distance OP is x.

Sketch, on the axes, a graph to show the variation of the intensity of light with distance from point O on the screen. Your graph should cover the distance range from 0 to 2x.

[2]

Markscheme

smooth curve decreasing from I0 to 0 between 0 and x ✓

secondary maximum correctly placed AND of intensity less than 0.3 I0 ✓

E.g. 

Examiners report

Most scored MP1. Many candidates scored full marks but it was common to see a maximum at 2x or a secondary maxima too high.

Syllabus sections