1.

An inflated balloon is rubbed with woollen cloth and in another case, a ballpen refill is rubbed with polythene. When they were brought close, it is observed that they attract each other. What can we understand by this?

Answer»

An inflated balloon is rubbed with woollen cloth and in another case, a ballpen refill is rubbed with polythene. When they were brought close, it is observed that they attract each other. What can we understand by this?




Discussion

No Comment Found