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resolving power of grating

A source emits 531.62 nm and 532.82 nm light.

1.) What minimum number of lines is required for a grating that resolves the two wavelengths in the first-order spectrum?

2.) Determine the slit spacing for a grating 2.08 cm wide that has the required minimum number of lines.

Answer in units of um.

Please show all work and diagrams.

Solution Summary

It finds the required minimum number of lines for a grating to resolve the two lights. The solution is detailed and was rated '5/5' by the student who originally posted the questions.

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