Class 12 Exam > Class 12 Questions > Five balls numbered 1, 2, 3, 4, 5 are suspend...
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Five balls numbered 1, 2, 3, 4, 5 are suspended using separate threads. The balls (1, 2), (2, 4) and (4, 1) show electrostatic attraction, while balls (2,3) and (4, 5) show repulsion, Therefore, ball 1 must be
- a)negatively charged
- b)positively charge
- c)neutral
- d)made of metal
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Five balls numbered 1, 2, 3, 4, 5 are suspended using separate threads...
If 1 is positively charged, then 2 should be negatively charged, then 4 should be positively charged. Now, 1 and 4 cannot attract. It means ball 1 should be neutral (2 and 4 cannot be neutral because they are showing repulsion with 3 and 5, respectively).
Most Upvoted Answer
Five balls numbered 1, 2, 3, 4, 5 are suspended using separate threads...
Explanation:
Electrostatic Attraction:
- Electrostatic attraction occurs between objects with opposite charges.
- In this case, the balls (1, 2), (2, 4), and (4, 1) show electrostatic attraction.
- This means that ball 1 is attracted to ball 2, ball 2 is attracted to ball 4, and ball 4 is attracted to ball 1.
- Since the balls are attracted to each other, it indicates that they have opposite charges.
- If ball 1 and ball 2 are attracted to each other, it means that ball 1 is positively charged and ball 2 is negatively charged.
- Similarly, if ball 2 and ball 4 are attracted to each other, it means that ball 2 is positively charged and ball 4 is negatively charged.
- And if ball 4 and ball 1 are attracted to each other, it means that ball 4 is positively charged and ball 1 is negatively charged.
Electrostatic Repulsion:
- Electrostatic repulsion occurs between objects with the same charge.
- In this case, the balls (2, 3) and (4, 5) show electrostatic repulsion.
- This means that ball 2 repels ball 3 and ball 4 repels ball 5.
- Since the balls are repelling each other, it indicates that they have the same charge.
- If ball 2 repels ball 3, it means that both ball 2 and ball 3 have the same charge, either both are positively charged or both are negatively charged.
- Similarly, if ball 4 repels ball 5, it means that both ball 4 and ball 5 have the same charge, either both are positively charged or both are negatively charged.
Conclusion:
- From the given information, it can be concluded that ball 1 is negatively charged (attracted to ball 2), ball 2 is positively charged (attracted to ball 1 and repels ball 3), ball 3 has the same charge as ball 2 (repelled by ball 2), ball 4 is negatively charged (attracted to ball 1 and repels ball 5), and ball 5 has the same charge as ball 4 (repelled by ball 4).
- Therefore, ball 1 must be neutral as it does not show any repulsion or attraction with any other ball.
- The correct answer is option 'C', neutral.
Electrostatic Attraction:
- Electrostatic attraction occurs between objects with opposite charges.
- In this case, the balls (1, 2), (2, 4), and (4, 1) show electrostatic attraction.
- This means that ball 1 is attracted to ball 2, ball 2 is attracted to ball 4, and ball 4 is attracted to ball 1.
- Since the balls are attracted to each other, it indicates that they have opposite charges.
- If ball 1 and ball 2 are attracted to each other, it means that ball 1 is positively charged and ball 2 is negatively charged.
- Similarly, if ball 2 and ball 4 are attracted to each other, it means that ball 2 is positively charged and ball 4 is negatively charged.
- And if ball 4 and ball 1 are attracted to each other, it means that ball 4 is positively charged and ball 1 is negatively charged.
Electrostatic Repulsion:
- Electrostatic repulsion occurs between objects with the same charge.
- In this case, the balls (2, 3) and (4, 5) show electrostatic repulsion.
- This means that ball 2 repels ball 3 and ball 4 repels ball 5.
- Since the balls are repelling each other, it indicates that they have the same charge.
- If ball 2 repels ball 3, it means that both ball 2 and ball 3 have the same charge, either both are positively charged or both are negatively charged.
- Similarly, if ball 4 repels ball 5, it means that both ball 4 and ball 5 have the same charge, either both are positively charged or both are negatively charged.
Conclusion:
- From the given information, it can be concluded that ball 1 is negatively charged (attracted to ball 2), ball 2 is positively charged (attracted to ball 1 and repels ball 3), ball 3 has the same charge as ball 2 (repelled by ball 2), ball 4 is negatively charged (attracted to ball 1 and repels ball 5), and ball 5 has the same charge as ball 4 (repelled by ball 4).
- Therefore, ball 1 must be neutral as it does not show any repulsion or attraction with any other ball.
- The correct answer is option 'C', neutral.
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Five balls numbered 1, 2, 3, 4, 5 are suspended using separate threads. The balls (1, 2), (2, 4) and (4, 1) show electrostatic attraction, while balls (2,3) and (4, 5) show repulsion, Therefore, ball 1 must bea)negatively chargedb)positively chargec)neutrald)made of metalCorrect answer is option 'C'. Can you explain this answer?
Question Description
Five balls numbered 1, 2, 3, 4, 5 are suspended using separate threads. The balls (1, 2), (2, 4) and (4, 1) show electrostatic attraction, while balls (2,3) and (4, 5) show repulsion, Therefore, ball 1 must bea)negatively chargedb)positively chargec)neutrald)made of metalCorrect answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Five balls numbered 1, 2, 3, 4, 5 are suspended using separate threads. The balls (1, 2), (2, 4) and (4, 1) show electrostatic attraction, while balls (2,3) and (4, 5) show repulsion, Therefore, ball 1 must bea)negatively chargedb)positively chargec)neutrald)made of metalCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Five balls numbered 1, 2, 3, 4, 5 are suspended using separate threads. The balls (1, 2), (2, 4) and (4, 1) show electrostatic attraction, while balls (2,3) and (4, 5) show repulsion, Therefore, ball 1 must bea)negatively chargedb)positively chargec)neutrald)made of metalCorrect answer is option 'C'. Can you explain this answer?.
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