Find the grating spacing in nanometers

Reference no: EM13253349

With a particular grating a doublet of the two wavelengths 731.3 and 732.1 nm is viewed in the third order at 9.3° to the normal and is barely resolved. Find

(a) the grating spacing in nanometers and

(b) the total width of the rulings in nanometers.

Reference no: EM13253349

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