Physics (AS & A Level) · May / June 2024 · Paper 22 · Question 6
9702
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Light of a single frequency is incident normally on a diffraction grating. An interference pattern of bright and dark fringes forms on the semicircular screen shown in Fig. 6.1. light semicircular screen diffraction grating Fig. 6.1 (not to scale) The light has wavelength 520 nm. The separation of the lines in the grating is 3.8 × 10–6 m.
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6(a)[3]
6(b)(i)[1]
6(b)(ii)[2]
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