Question

When glass is rubbed with silk ,it becomes positevly charged why give reason

Answer 1

Answer:

This is because glass is above silk in the triboelectric series (attracts electrons less than silk) and when rubbed, silk 'takes' its electrons. And yes, if you had a silk rod it would also attract neutral paper, because paper pieces are turned into dipoles.

Explanation:

Answer 2

Answer:

when glass is rubbed with silk it loses its electrons and changes to positive charge...