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Two α-partides have the ratio of their velocities as 3 : 2 on entering the field. If they move in different circular paths, then the ratio of the radii of their paths is
  • a)
    2 : 3
  • b)
    3 : 2
  • c)
    9 : 4
  • d)
    4 : 9
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Two α-partides have the ratio of their velocities as 3 : 2 on en...
Explanation:

Given:
Two α-particles have the ratio of their velocities as 3 : 2 on entering the field.

Let:
Let the velocities of the two α-particles be 3v and 2v respectively.
Let the radii of their circular paths be r1 and r2 respectively.

Velocity-radius relationship:
The ratio of the velocities is equal to the inverse ratio of the radii of circular paths.
Therefore, 3v/2v = r2/r1
=> r2/r1 = 3/2
=> r1/r2 = 2/3

Conclusion:
The ratio of the radii of their circular paths is 2 : 3.
Therefore, the correct answer is option 'b) 3 : 2'.
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Community Answer
Two α-partides have the ratio of their velocities as 3 : 2 on en...
As qvB = mv2/r
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Question Description
Two α-partides have the ratio of their velocities as 3 : 2 on entering the field. If they move in different circular paths, then the ratio of the radii of their paths isa)2 : 3b)3 : 2c)9 : 4d)4 : 9Correct answer is option 'B'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Two α-partides have the ratio of their velocities as 3 : 2 on entering the field. If they move in different circular paths, then the ratio of the radii of their paths isa)2 : 3b)3 : 2c)9 : 4d)4 : 9Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two α-partides have the ratio of their velocities as 3 : 2 on entering the field. If they move in different circular paths, then the ratio of the radii of their paths isa)2 : 3b)3 : 2c)9 : 4d)4 : 9Correct answer is option 'B'. Can you explain this answer?.
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