Question

Lens is made up of which glass
A) Ordinary glass
B) Pyrex glass
C) Flint glass
D) Cobalt glass

Answer 1

HLWW DEAR______

HERE IS UR ANSWER______

$OPTION " C "$

LENS IS MADE UP OF FLINT GLASS.

Answer 2

Answer::Flint glass

Explanation:-

A lens is a transmissive optical device that focuses or disperses a light beam by the process of refraction. Flint glass is used as an optical glass because it has relatively high refractive index and low Abbe number than other materials.