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Q. |
The nuclear particle having no mass and no charge, but only spin is - |
A. | proton |
B. | neutrino |
C. | meson |
D. | electron |
Answer» B. neutrino | |
Explanation: Neutrinos do not carry electric charge, and have mass quite small, though non- zero. Their mass is tiny even by the standards of subatomic particles. They are electrically neutral, weakly interacting elementary subatomic particles with half-integer spin. |
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