If $\alpha $ and $\beta - $ particles are moving with equal velocity perpendicular to the flux density $B$, then the radii of their paths will be
If $\alpha $ and $\beta - $ particles are moving with equal velocity perpendicular to the flux density $B$, then the radii of their paths will be
- A
unequal and in the opposite direction
- B
equal and in the opposite direction
- C
unequal and in the same direction
- D
equal and in the same direction
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- [KVPY 2010]
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