Science Facts Set-23

  • Acoustics is the branch of science which deals with the study of different kinds of sound.
  • Zinc Sulphate (also known as white vitriol) is prepared by reacting Zinc with aqueous Sulphuric acid.
  • Sambars are large Asian deers having an average weight of 162-260 kg.
  • Emulsion is the dispersion of small droplets of one liquid in another liquid. (The two liquids are immiscible in nature).
  • The nature of lightning was discovered by Benjamin Franklin, an American Scientist.
Stealing God's Thunder: Benjamin Franklin's Lightning Rod and the Invention of America
  • The SI unit of sound pressure is pascal (Pa).
  • Alpha Particles are positively charged particles which have two protons and two neutrons.
  • The density of salt water is greater than the density of pure water.
  • Ammeter is the instrument used to measure electric current.
  • Supersonic jets are jets that are able to travel faster than the speed of sound.
Active Noise Control in Supersonic Impinging Jets: Actuator Design, Reduced-Order Modeling

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