Q. $X$-ray will travel minimum distance in

A) Air
B) Iron
C) Wood
D) Water
Explanation

The correct answer is Option B: Iron.

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.