UPPSC PCS 2015 · Question 109 of 136
Science
Bullet-resistant glass is usually constructed using polycarbonate Bullet-resistant Jacket: KEVLAR (Polymers, Polyamides, Aramids) As light as nylon yet harder than steel — “Chance Discoveries: Kevlar ” tells the story of lab experiments with aromatic polyamides that produced the synthetic material now common in bicycle helmets, tires, and “bulletproof” police and combat gear
Source: selfstudyhistory.com UPPSC Prelims 2015 solved paper (Set B)
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