Q. Charge on $\alpha$-particle is

A) $4.8 \times 10^{- 19}C$
B) $1.6 \times 10^{- 19}C$
C) $3.2 \times 10^{- 19}C$
D) $6.4 \times 10^{- 19}C$
Explanation

(c) By using $Q = ne \Rightarrow Q = + 2e = + 3.2 \times 10^{- 19}C$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.