Q125
The type of glass used in making lenses and prisms is
A.
Jena glass
B.
Soft glass
C.
Pyrex glass
D.
Flint glass
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
In the optical glass industry, flint glass is any highly refractive lead-containing glass used to make lenses and prisms. Because it absorbs most ultraviolet light but comparatively little visible light, it is also used for telescope lenses.