Q. The charge to mass ratio of $\alpha$-particle is approximately . . . the charge to mass ratio of protons

A) Six times
B) Four times
C) Half
D) Two times
Explanation

(c)
The charge on $\alpha$-particles is twice the charge on proton, and mass of $\alpha - particle$ is four times the mass of proton

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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