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When the pointed end of an uncharged optical pin is brought near the cap cf...

Physics
WAEC 2011

When the pointed end of an uncharged optical pin is brought near the cap cf a positively charged electroscope, it is observed that the gold

  • A. collapse slowly
  • B. vibrate
  • C. are not affected
  • D. diverge rapidly
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Correct Answer: Option D
Explanation

This is because the presence of the positively charged electroscope will induce a separation of charges in the uncharged pin, causing it to interact with the charged electroscope.

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