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Today General Knowledge(GK)
Lens is made up of
A)
Cobalt glass
B)
Pyrex glass
C)
Flint glass
D)
Ordinary glass

Correct Answer : Option (C) - Flint glass



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.

Published On : June 13, 2021
Category : Science and Technology
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