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      Question

      The famous physicist Victor Franz Hess is known for the

      discovery of:
      A cosmic radiation Correct Answer Incorrect Answer
      B quantum statistics Correct Answer Incorrect Answer
      C expanding universe Correct Answer Incorrect Answer
      D theory of super conductivity Correct Answer Incorrect Answer

      Solution

      Cosmic Radiation:- β€’ These are high-energy particles that travel through space and bombard Earth's atmosphere. β€’ They were discovered by Victor Franz Hess in 1912, when he made a series of balloon ascents to measure the ionization of the atmosphere at different altitudes. (Hence option 1 is correct). β€’ He found that the ionization increased with altitude, even though the atmosphere becomes less dense at higher altitudes. β€’ This led him to conclude that there must be a source of radiation coming from outside the atmosphere.

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