Question Detail
Question
A charged comb attracting small pieces of paper demonstrates which principle?
Correct Answer
Option D is the correct answer.
Detailed Explanation
The text explicitly uses this example: 'This is why when you run a comb through your hair during the dry season, it is able to pick up small pieces of paper. This is because the comb becomes charged while running through your hair. Bringing the comb close to a neutral piece of paper causes the paper to become polarised and the comb is able to attract the piece of paper.'
Hint
The paper is initially neutral. How can a charged object attract a neutral object?