મુખ્ય સામગ્રી પર જાઓ

State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · પ્રશ્ન 93

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

Electrons and protons
Protons and neutrons
Only electrons
Electrons and neutrons
None of the above / More than one of the above

જવાબ બતાવો અને સમજૂતી

જવાબ: (B) Protons and neutrons

સમજૂતી

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

(A) ખોટો
Wrong: electrons are outside the nucleus.
(B) સાચો
Correct: the nucleus contains protons and neutrons (nucleons).
(C) ખોટો
Wrong: incorrect.
(D) ખોટો
Wrong: electrons are not in the nucleus.
(E) ખોટો
Wrong: only one of the options A–D is correct.