Question

how will charge a glass rod by the method of friction

Answer 1

in friction we rubbed one object to other in which charges are transferred from charged body to uncharged body we can rubb silk cloth with glass rod in which silk will have negative charge and glass rod will have positive charge

Answer 2

In friction we rubbed one object to other in which charges are transferred from charged body to uncharged body we can rubb silk cloth with glass rod in which silk will have negative charge and glass rod will have positive charge