A particle of mass $m = 1.67 \times 10^{-27}\, kg$ and charge $q = 1.6 \times 10^{-19} \, C$ enters a region of uniform magnetic field of strength $1$ $tesla$ along the direction shown in the figure. the particle leaves the magnetic field at point $D,$ then the distance $CD$ is :-
A$0.148\,m$
B$0.104\,m$
C$0.208\,m$
D
None of the above
Diffcult
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A$0.148\,m$
a
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