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NEET UG PHYSICS MCQ: WAVE OPTICS

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The sodium yellow doublet has wavelengths

5890 \mathrm{~A}^0

and

\lambda \mathrm{~A}^0

and resolving power of a grating to resolve these lines is 982, then value of

\lambda

is

View answer and explanation

Correct option: A

5896 \mathrm{~A}^0

Option A (

5896 \mathrm{~A}^0

) is correct because it is calculated using the resolving power formula for a grating.

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