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What is/are the benefit(s) of studying neutrinos ?
1.They are the least numerous of all fundamental particles and thus provide insights on the nature of undiscovered interstellar medium.
2.They are massless and chargeless particles and thus help to understand the effects that cannot be explained by the use of electromagnetic force.
Which of the above is/are correct?
1 only
2 only
Both 1 and 2
None
A neutrino is a subatomic particle that is very similar to an electron, but has no electrical charge and a very small mass, which might even be zero. Neutrinos are one of the most abundant particles in the universe. Because they have very little interaction with matter, however, they are incredibly difficult to detect. Nuclear forces treat electrons and neutrinos identically; neither participate in the strong nuclear force, but both participate equally in the weak nuclear force. Typically, a low-energy neutrino will travel through many light-years of normal matter before interacting with anything. Learning: So, even a tiny mass for the neutrinos can enable them to have an effect on the evolution of the Universe through their gravitational effects. There are other recent astrophysical measurements that provide information on the evolution of the Universe and it is crucial to seek complementary information by direct determinations of the masses of neutrinos and their other properties. In a sense, neutrinos hold the key to several important and fundamental questions on the origin of the Universe and the energy production in stars. We have some partial answers but many details are still awaited from future experiments. Yet another important possible application of neutrinos is in the area of neutrino tomograph of the earth, that is detailed investigation of the structure of the Earth from core on wards. This is possible with neutrinos since they are the only particles which can probe the deep interiors of the Earth
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