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Proton, deuteron and alpha particle have...

Proton, deuteron and alpha particle have same momentum. They are projected in the same magnetic field. Then choose the correct ratio of forces and their speeds.

A

`F_p:F_d:F_a=4:2:1 , V_p:V_d:V_a=2:1:1`

B

`F_p:F_d:F_a=2:1:1 , V_p:V_d:V_a=4:2:1`

C

`F_p:F_d:F_a=1:2:1 , V_p:V_d:V_a=1:2:1`

D

`F_p:F_d:F_a=1:1:1 , V_p:V_d:V_a=1:1:1`

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Knowledge Check

  • A proton, a deuteron and an a particle are moving with same momentum in a uniform magnetic field. The ratio of magnetic forces acting on them is ____ and their speed is in the ratio.

    A
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    B
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    D
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