Q. According to Mosely’s law, the frequency of a spectral line in $X$-ray spectrum varies as

A) Atomic number of the element
B) Square of the atomic number of the element
C) Square ropot of the atomic number of the element
D) Fourth power of the atomic number of the element
Explanation

The correct answer is Option B: Square of the atomic number of the element.

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.