Knockout JEE Main April 2021 (One Month)
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Which of the following cannot be emitted by radioactive substances during their decay?
protons
neutrinos
helium nuclei
electrons
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As we learnt in
Property of neutino -
Zero electric charge
Its mass much less than mass of electron
Spin 1/2 particle
Very weak matter making it quite difficult to detect
-
During nuclear process, particles emitted are
or
and neutrino.
No proton or neutrons are emitted. Hence correct answer is option 1.
Option 1)
protons
This is the correct option.
Option 2)
neutrinos
This is an incorrect option.
Option 3)
helium nuclei
This is an incorrect option.
Option 4)
electrons
This is an incorrect option.