Q. In absorption spectrum of $Na$ the missing wavelength $(s)$ are

A) $589\ nm$
B) 589.6 $nm$
C) Both
D) None of these
Explanation

The correct answer is Option C: Both.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.