NextMockपरीक्षा शोधा, उदा. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2021

UPPCS · प्रश्न 72

Which of the following particles has zero charge?

  1. Positron
  2. Neutrino
  3. Electron
  4. Alpha-particle
उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (B) Neutrino

स्पष्टीकरण

Neutrinos are electrically neutral; positrons (+), electrons (-) and alpha particles (+2) are charged.