In absorption spectrum of Na the missing wavelength (s) are [BCECE 2005]A) 589 nm B) 589.6 nm C) Both D) None of these

In absorption spectrum of Na the missing wavelength (s) are [BCECE 200

1.	In absorption spectrum of Na the missing wavelength (s) are [BCECE 2005]A) 589 nm B) 589.6 nm C) Both D) None of these
Answer» I THINK the ANSWER is A but i am not SURE

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In absorption spectrum of Na the missing wavelength (s) are [BCECE 2005]A) 589 nm B) 589.6 nm C) Both D) None of these

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