Q. The instrument that measures and records the relative humidity of air is

  • (A) Hydrometer
  • (B) Hygrometer
  • (C) Lactometer
  • (D) Barometer
✅ Correct Answer: (B) Hygrometer

Published by Physics Walla ⭐ 649 Points at 31-Dec-2022 11:50 am in Physics

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