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Today General Knowledge(GK)
Which one of the following types of glass can cut off the UV rays
A)
Crookes Glass
B)
Soda Glass
C)
Pyrex Glass
D)
Jena Glass

Correct Answer : Option (A) - Crookes Glass



Crooked Glass is a special kind of glass which contain cerium oxide and this is able to cutt off ub rays of sun and are thus used to make sunglasses.

Published On : June 9, 2021
Category : Science and Technology
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