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???? Diffraction of a wave by a hair: observation and calculation ✅ Corrected exercise, characteristic diffraction angle, wavelength ▶️ Playlist: DIFFRACTION & INTERFERENCES ???? Terminale Spé • WAVES, DIFFRACTION & INTERFERENCES ???? ... ???? Chapters 00:00 Intro - Exercise 00:20 Diffraction by a slit / a hair - Diagram 01:50 Relation: θ = λ / a 02:31 Width of the central spot (calculation of the diameter of a hair) ???? Terminale Spécialité program Tle: → Diffraction of a wave by an opening: observation conditions and characteristics. → Characteristic diffraction angle. → Characterize the diffraction phenomenon in various situations and cite concrete consequences. → Use the relationship expressing the characteristic diffraction angle as a function of the wavelength and the size of the aperture.