5849Chemical EngineeringMedium
Pick out the correct statement?
APositron is the antiparticle of electron
BIonising power of β-rays is higher than that of α-rays
CSpeed of α-rays is more than that of γ-rays
DIn α-decay, the ratio of neutron to proton decreases
Correct answer
A. Positron is the antiparticle of electron
Explanation
The correct answer is Positron is the antiparticle of electron.