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

Option 1 -

2 : 1 : 1 an 4 : 2 : 1

Option 2 -

4 : 2 : 1 and 2 : 1 : 1

Option 3 -

1 : 2 : 4 and 1 : 1 : 2       

Option 4 -

1 : 2 : 4 and 2 : 1 : 1

0 2 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    a month ago
    Correct Option - 1


    Detailed Solution:

    v = p m ⇒ v p : v d : v α = 1 : 1 2 : 1 4 = 4 : 2 : 1

    F m a g = q v B ⇒ F P : F d : F α = 1 × 4 : 1 × 2 : 2 × 1 = 2 : 1 : 1

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