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H^(+), He^(+) and O^(++) all having the ...

` H^(+), He^(+) and O^(++)` all having the same kinetic energy pass through a region in which there is a uniform magnetic field perpendicular to their velocity . The masses of ` H^(+), He^(+) and O^(2+)` are `1 amu, 4 amu and 16 amu` respectively . Then

A

`H^(+)` will be least deflected .

B

`H^+ and O^(+2)` will be deflected equally.

C

`O^(+2)` will be deflected most.

D

All will be deflected equally.

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The correct Answer is:
B
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