Take a used ballpen refill and rub it vigorously with a piece of polythene. What happens when we bring the refill close to small pieces of paper. Give a reason for this.
[2 MARKS]

Open in App

Solution

Each point: 1 Mark

1. When a plastic refill is rubbed with polythene, it acquires a small electric charge.
2. The charge on the refill exerts electrostatic force on the small pieces of papers and attracts them.

Suggest Corrections

Similar questions

Take a used ballpen refill and rub it vigorously with a piece of polythene. What happens when we bring the refill close to small pieces of paper. Give a reason for this.
[2 MARKS]

Q. An inflated balloon is rubbed with a woollen cloth and then, a ballpen refill is rubbed with polythene. When the balloon and the ballpen refill are brought close to each other, it is observed that they attract each other. What can be concluded from this?

Q. What happens when a used plastic refill is rubbed with polythene?

Q. Rub an empty ball pen refill on a polythene sheet and hold it on top of small pieces of paper. What will be your observation?

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?

Join BYJU'S Learning Program

Take a used ballpen refill and rub it vigorously with a piece of polythene. What happens when we bring the refill close to small pieces of paper. Give a reason for this. [2 MARKS]

Each point: 1 Mark 1. When a plastic refill is rubbed with polythene, it acquires a small electric charge. 2. The charge on the refill exerts electrostatic force on the small pieces of papers and attracts them.

Take a used ballpen refill and rub it vigorously with a piece of polythene. What happens when we bring the refill close to small pieces of paper. Give a reason for this.
[2 MARKS]

Each point: 1 Mark

1. When a plastic refill is rubbed with polythene, it acquires a small electric charge.
2. The charge on the refill exerts electrostatic force on the small pieces of papers and attracts them.