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Physics
The ratio of specific charge of a proton to that of an α-particle is
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Q. The ratio of specific charge of a proton to that of an $\alpha$-particle is
Uttarkhand PMT
Uttarkhand PMT 2007
A
1 : 4
B
1 : 2
C
4 : 1
D
2 : 1
Solution:
Ratio of specific charge of a proton and $\alpha-$ particle is
$=\frac{e / m_{p}}{2 e / 4 m_{p}}$
$=\frac{2 e / m_{p}}{e / m_{p}}=\frac{2}{1}$