Q. 'Cryogenics' is a science dealing with

  • (A) growth of crystals
  • (B) high temperatures
  • (C) low temperatures
  • (D) friction & wear
✅ Correct Answer: (C) low temperatures

Published by Ram Sharma ⭐ 193.88K Points at 12-Mar-2022 05:57 pm in General Awareness

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