DP Physics (first assessment 2025)

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Question SPM.1A.HL.TZ0.22

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Date May Specimen-2023 Marks available [Maximum mark: 1] Reference code SPM.1A.HL.TZ0.22
Level HL Paper 1A Time zone TZ0
Command term Question number 22 Adapted from N/A
22.
[Maximum mark: 1]
SPM.1A.HL.TZ0.22

Light from a monochromatic source is incident on a single slit and the resulting diffraction pattern is viewed on a screen. The graph shows the variation of intensity with distance on the screen.

The intensity of the source remains the same. The width of the slit is increased.

Which graph correctly shows the variation of intensity after the change? The original curve is shown with a dashed line.

[1]

Markscheme

D

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