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
Verified Correct Answer: D.
Physical Principles & Numerical Solution
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.
Source: Myschool Past Questions Archive (Record #35484)