Science Facts Set-4

  • Zinc is a greyish white metal. It is used in making alloys such as brass.
  • VY Canis Majoris is the largest known star in the universe.
  • A photon is a particle with no rest mass but it is a carrier of energy.
  • Light has a dual nature. It has the characteristics of both a particle and a wave.
  • LASER means Light Amplification by Stimulated Emission of Radiation.
Laser Flare AixiZ Illuminator 650nm 200mw
  • Nanotechnology is the study of controlling of matter on an atomic or molecular scale (i.e., of the order of 100 nanometres).
  • Avogadro constant is the number of atoms (or molecules) present exactly in 12 grams if carbon-12 isotope.
  • An electron has the characteristics of both a wave and a particle.
  • The average weight of an adult human brain is about 1300-1400 grams.
  • The lifespan of an adult mayfly varies from 30 minutes to one day, depending on the type of species.

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