NextMockதேர்வுகளைத் தேடுங்கள், எ.கா. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · வினா 93

Which fundamental particles are found in the nucleus of an atom?

  1. Electrons and protons
  2. Protons and neutrons
  3. Only electrons
  4. Electrons and neutrons
  5. None of the above / More than one of the above
விடையைக் காட்டு & விளக்கம்

விடை: (B) Protons and neutrons

விளக்கம்

Protons and neutrons form the nucleus; electrons orbit around it.

  • (A) தவறு

    Wrong: electrons are outside the nucleus.

  • (B) சரி

    Correct: the nucleus contains protons and neutrons (nucleons).

  • (C) தவறு

    Wrong: incorrect.

  • (D) தவறு

    Wrong: electrons are not in the nucleus.

  • (E) தவறு

    Wrong: only one of the options A–D is correct.