Q. The luster of a metal is due to

A) Its high polishing
B) Its high density
C) Its chemical inertness
D) Presence of free electrons
Explanation

(d)
Luster of metals is due to the presence of mobile electrons

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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