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Proton , deuton and alpha particle of sa...

Proton , deuton and alpha particle of same kinetic energy are moving in circular trajectories in a constant magnetic field. The radii of proton , deuteron and alpha particle are respectively `r_(p), r_(d) and r_(alpha)`. Which one of the following relation is correct?

A

`r_(alpha)=r_(p)=r_(d)`

B

`r_(alpha)=r_(p)ltr_(d)`

C

`r_(alpha)gtr_(d)gtr_(p)`

D

`r_(alpha)=r_(d)gtr_(p)`

Text Solution

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The correct Answer is:
B
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