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| 1. |
the sodium yellow doublet have wavelengths 5890 angstrom and λ angstrom and resolving power of a grating to resolve these lines is 982 then value of λ is |
| Answer» the sodium yellow doublet have wavelengths 5890 angstrom and λ angstrom and resolving power of a grating to resolve these lines is 982 then value of λ is | |