Q. Glass having higher refractive index is prepared of oxide of
A) $NiO$
B) $CoO$
C) $PbO$
D) $CaO$
Explanation
The correct answer is Option C: $PbO$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.