Which one of the following glasses is used in bullet proof screens

Options :
  1. soda glass
  2. Pyrex glass
  3. Jena glass
  4. Reinforced glass
Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Which one of the following materials is suitable for water purification

Next Question : Talc contains which of the following

Click here for online test on General Science


 (Getemail alerts when others member replies)

I wrote "David" because it seemed to me that children, who can love a book more passionately than any grown person, got such a lot of harmless entertainment and not enough real, valuable literature.
-Anne Holm