Question

when the glass rod comes in contact with the metal disc of the electroscope the gold leaves .................​

Answer 1

Explanation:

gold leaves deflect when glass rod comes in contact

Answer 2

Answer:

A glass rod rubbed with silk will acquire positive charge, so when it is brought near the disc of electroscope then the leaves will attract each other and hence contract. b) A ebonite rod under the above circumstances will get negatively charged and hence as per the above observation the leaves with dilate. c) If the metal rod is electrically neutral then, nothing will happen to the leaves.