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Tuesday, March 20

The India Based Neutrino Observatory.

TNPSC Current Affairs - March 2018 by TNPSC Guru 


  • Union environment ministry’s Expert Appraisal Committee (EAC) has given environmental Clearance to set up  The India Based Neutrino Observatory in Theni district of Tamil Nadu.
  • It will study the atmospheric neutrinos produced by cosmic rays in Atmosphere. 
What is Neutrino? 
  • Neutrinos are elementary particle which is like electron but has no electrical charge.
  • The mass of Neutrino is smaller than the known elementary particle which might even be zero.
  • Neutrons are most abundant particle found in universe, because of weak interaction with matter it is difficult to detect.
  • Initially it is believed that Neutrinos has no mass but recent study reveals that it has small mass.
  • Neutrinos doesn’t have electric charge but it carries different kind of charge called Flavor.
  • There are 3 flavor’s of Neutrinos currently Electron , Muaon and Tau. 
Neutrino Oscillation,
  • Scientist has revealed that neutrino changes from one type to another when they travel.
  • The Electron Neutrino from sun on its flight to earth which converts into Muaon or Tau Neutrino is called Neutrino Oscillation.
  • This discovery reveals that Neutrino has small Mass.
Why inside Mountain.
  • INO is going to construct the detector inside the mountain to detect the Neutrinos.
  • Neutrino has small mass which can easily penetrate anything because of its weakly interactive nature.
  • Neutrinos found abundantly in atmosphere but still it is very difficult to detect due to other particles found in atmosphere which has Mass.
  • So to overcome this difficulty detector is constructing inside the mountain to detect Neutrino easily.
About Lab.
  • The lab will be constructed under the 1300 m Deep inside Mountain.
  • The detector of Neutrino is called Calorimeter, which consisits of Resistive Plate chamber and 50 k tonnes of Magnetised iron plates arranged in stack layer spaces.


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