Science Knowledge

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15 Questions - Developed by: - Developed on: - 6,277 taken - 2 people like it

  • 1
    Which of the following is used as a moderator in nuclear reactor?
  • 2
    Which among the following is a positively charged particle emitted by a radioactive element?
  • 3
    Atoms are composed of

  • 4
    In an atomic explosion, enormous energy is released which is due to
  • 5
    Isotopes are separated by
  • 6
    The wavelength of X-rays is of the order of

  • 7
    Mesons are found in
  • 8
    Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?
  • 9
    Which of the following shows the masses of the three elementary particles in decreasing order?
  • 10
    What is the wavelength of visible spectrums?

  • 11
    Which of the following has a least penetrating power?
  • 12
    The isotopes of uranium capable of sustaining chain reaction is
  • 13
    Who suggested that most of the mass of the atom is located in the nucleus?
  • 14
    How many colors the sunlight spectrum have?
  • 15
    Nuclear fission is caused by the impact of

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