Multiple choice

Which of the following objects will be able to attract pieces of paper from a flat surface after being rubbed with the materials given adjacent to them?

Objects Materials used for rubbing
a. Wooden scale Polythene
b. Plastic fork Flannel cloth
c. Steel spoon Woollen cloth
d. Glass rod Silk cloth

  1. Both a and b

  2. Both a and c

  3. Both b and c

  4. Both b and d

  5. Both a and d

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 Both the plastic fork and the glass rod will get charged upon rubbing with the flannel and silk cloth. Thus, they will be able to attract the pieces of paper.