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A particle of mass m and charge q, moving with velocity v enters region II normal to the boundary as shown in the figure. Region II has a uniform Magnetic field perpendicular to the plane of he paper. The length of the Region II is l. Choose the incorrect choice(s)



  • a)
    The particle enters Region III only if its velocity 

  • b)
    The particle enter Region III only if its velocity  

  • c)
    Time spent in Region II is same for any velocity as long as the particle returns to region I

  • d)
    none of these

Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A particle of massmand chargeq,moving with velocityventers region II n...
In region II,


Magnetic field  is perpendicular to velocity  therefore, path of particle is circle is region II Particle enters in region III if, radius of circular path,


r > l




 
particle will turn back and path length will be maximum. If particle returns to region I, time spent in region II will be :

 which is independent of V

The correct answer is: The particle enter Region III only if its velocity 
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Most Upvoted Answer
A particle of massmand chargeq,moving with velocityventers region II n...
In region II,
Magnetic field  is perpendicular to velocity  therefore, path of particle is circle is region II Particle enters in region III if, radius of circular path,
r > l

 
particle will turn back and path length will be maximum. If particle returns to region I, time spent in region II will be :
 which is independent of V
The correct answer is: The particle enter Region III only if its velocity 
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A particle of massmand chargeq,moving with velocityventers region II normal to the boundary as shown in the figure. Region II has a uniform Magnetic fieldBperpendicular to the plane of he paper. The length of the Region II is l. Choose the incorrect choice(s)a)The particle enters Region III only if its velocityb)The particle enter Region III only if its velocityc)Time spent in Region II is same for any velocityas long as the particle returns to region Id)none of theseCorrect answer is option 'A'. Can you explain this answer?
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A particle of massmand chargeq,moving with velocityventers region II normal to the boundary as shown in the figure. Region II has a uniform Magnetic fieldBperpendicular to the plane of he paper. The length of the Region II is l. Choose the incorrect choice(s)a)The particle enters Region III only if its velocityb)The particle enter Region III only if its velocityc)Time spent in Region II is same for any velocityas long as the particle returns to region Id)none of theseCorrect answer is option 'A'. Can you explain this answer? for Physics 2024 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about A particle of massmand chargeq,moving with velocityventers region II normal to the boundary as shown in the figure. Region II has a uniform Magnetic fieldBperpendicular to the plane of he paper. The length of the Region II is l. Choose the incorrect choice(s)a)The particle enters Region III only if its velocityb)The particle enter Region III only if its velocityc)Time spent in Region II is same for any velocityas long as the particle returns to region Id)none of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Physics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A particle of massmand chargeq,moving with velocityventers region II normal to the boundary as shown in the figure. Region II has a uniform Magnetic fieldBperpendicular to the plane of he paper. The length of the Region II is l. Choose the incorrect choice(s)a)The particle enters Region III only if its velocityb)The particle enter Region III only if its velocityc)Time spent in Region II is same for any velocityas long as the particle returns to region Id)none of theseCorrect answer is option 'A'. Can you explain this answer?.
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