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A particle is confined to rotate in a circular path decreasing linear speed, then which of the following is correct?
  • a)
    L (angular momentum) is conserved about the centre
  • b)
    only direction of angular momentum L is conserved
  • c)
    It spirals towards the centre
  • d)
    its acceleration is towards the centre.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A particle is confined to rotate in a circular path decreasing linear ...
Since v is changing (decreasing), L is not conserved in magnitude. Since it is given that a particle is confined to rotate in a circular path, it cannot have spiral path.
Since the particle has two accelerations ac and at therefore the net acceleration is not towards the centre.
The direction of L remains same even when the speed decreases.
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A particle is confined to rotate in a circular path decreasing linear speed, then which of the following is correct?a)L (angular momentum) is conserved about the centreb)only direction of angular momentum L is conservedc)It spirals towards the centred)its acceleration is towards the centre.Correct answer is option 'B'. Can you explain this answer?
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A particle is confined to rotate in a circular path decreasing linear speed, then which of the following is correct?a)L (angular momentum) is conserved about the centreb)only direction of angular momentum L is conservedc)It spirals towards the centred)its acceleration is towards the centre.Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A particle is confined to rotate in a circular path decreasing linear speed, then which of the following is correct?a)L (angular momentum) is conserved about the centreb)only direction of angular momentum L is conservedc)It spirals towards the centred)its acceleration is towards the centre.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A particle is confined to rotate in a circular path decreasing linear speed, then which of the following is correct?a)L (angular momentum) is conserved about the centreb)only direction of angular momentum L is conservedc)It spirals towards the centred)its acceleration is towards the centre.Correct answer is option 'B'. Can you explain this answer?.
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