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SSC CGL 2020 PYQ — Question 40

SSC CGL - 6th March 2020 Shift 3 • General Awareness • Q40

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Who among the following scientists invented Kevlar?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e Stephanie Louise Kwolek.

  • Kevlar is a heat-resistant and strong synthetic fibre, related to other aramids such as Nomex and Technora.
  • Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.