A) 2 MeV
B) 1 MeV
C) 0.5 MeV
D) 4 MeV
Correct Answer: B
Solution :
[b] For proton |
\[r=\frac{\sqrt{2m(KE)}}{qB}\] |
So \[q\propto \sqrt{m(KE)}\] |
Hence \[\frac{e}{2e}=\sqrt{\frac{({{m}_{p}})(1MeV)}{(4{{m}_{p}})(KE)}}\] |
\[\frac{1}{4}=\frac{1MeV}{4KE}\] |
\[KE=1\,MeV\] |
You need to login to perform this action.
You will be redirected in
3 sec