Question

The ratio of specific charge of an $\text{-}$ particle to that of a proton is

• A. 2 : 1
• B. 1 : 1
• C. 1 : 2
• D. 1 : 3

Answer 1

Answer: (C)

Rate of specific charge
$=\frac{(q/m{)}_{\alpha }}{(q/m{)}_p}=\frac{\left(2e/4m_p\right)}{e/m_p}=\frac{1}{2}$