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CCEA 1210
Specification experiment — Appendix 4 experiment 22 – wavelength using double slit and diffraction grating
Appendix 4 specifies wavelength determination using both a double slit and a diffraction grating.
Interactive Practical · A-Level Physics
Interference: Young's slits and diffraction gratings
Measure double-slit fringes and matching diffraction orders, then determine and compare the wavelength of laser light using two methods.
This simulation supports preparation and data-analysis practice. It does not replace carrying out real practical work.
Matched to your course
CCEA · 1210
Specification experiment · Appendix 4 experiment 22 – wavelength using double slit and diffraction grating
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