When a First-Order Spectrum Is Examined by Means of a One-Inch

question 8

Multiple Choice

When a first-order spectrum is examined by means of a one-inch grating having 10,000 lines/inch,the resolving power is R.When a second-order spectrum is examined by means of a two-inch grating having 20,000 lines/inch,the resolving power is

• A)R/4
• B)R/2
• C)2R
• D)4R
• E)8R

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