Mụọ ihe atụ nke nsogbu nke nnyonye anya na diffraction nke ìhè - diffraction grating , wee rụọ ọrụ na nsogbu nke nnyonye anya na diffraction nke ìhè.
1. A na-etinye ihe nrịbama diffraction nke nwere ahịrị 4000 kwa 1 cm n'ebe dị anya nke mita 1 site na oghere ahụ a na-enwu gbaa. Gbakọọ ogologo ebili nke ìhè ma ọ bụrụ na onyonyo kachasị elu nke mbụ dị sentimita 30 site na oghere ahụ.
Mkparịta ụka
A maara na:
d = 1 / (ahịrị 4000 / cm) = 0,00025 cm = 2,5 x 10-4 cm = 2,5 x 10-6 m
l = 1m
y = 30 cm = 0,3 m
A jụrụ: ogologo ebili mmiri (lambda)


