DP Physics (first assessment 2025)

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Question 21M.1A.HL.TZ2.29

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.HL.TZ2.29
Level HL Paper 1A Time zone TZ2
Command term Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
21M.1A.HL.TZ2.29

Monochromatic light of wavelength λ passes through a single-slit of width b and produces a diffraction pattern on a screen. Which combination of changes to b and λ will cause the greatest decrease in the width of the central maximum?

[1]

Markscheme

C

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