Physics, 26.12.2019 22:31 BXSUPREME939
Ahelium-neon laser (λ=633nm) illuminates a diffraction grating. the distance between the two m=1 bright fringes is 35 cm on a screen 2.5 m behind the grating.
what is the spacing between slits of the grating?
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Ahelium-neon laser (λ=633nm) illuminates a diffraction grating. the distance between the two m=1 bri...
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