Per NCERT Table 2.1, which fundamental particle has approximate mass 1.674927 × 10⁻²⁷ kg and zero charge?
AProton
BElectron
CPhoton
DNeutron
Answer & Solution
Correct answer: D. Neutron
Per NCERT Table 2.1, neutron mass 1.674927 × 10⁻²⁷ kg, charge 0. Proton has same approx mass but +1 charge.
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