Q. Which glass has the highest percentage of lead?

A) Soda glass
B) Flint glass
C) Jena glass
D) Pyrex glass
Explanation

(b)
Flint glass or lead glass has composition of
$\ \ \ \ \ \ \ \ \ K_{2}O.PbO.6SiO_{2}$.
It is used in making electric bulb and optical instruments.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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