A) 4 : 1
B) 1 : 4
C) 2 : 1
D) 1 : 2
Correct Answer: C
Solution :
| [c] \[r=\frac{mv}{qB}=\frac{p}{qB}\] |
| \[r\propto \frac{1}{q}\] |
| \[\frac{{{r}_{H}}}{{{r}_{\alpha }}}=\frac{{{q}_{\alpha }}}{{{q}_{H}}}=\frac{2e}{e}\] |
| \[{{r}_{H}}:{{r}_{\alpha }}=2:1\] |
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