Target Exam

CUET

Subject

Physics

Chapter

Electric Charges and Fields

Question:

If one of the charge is made double its value and is now placed inside water (relative permittivity : 80), how will the force change if initially the force was F?

Options:

F

F/80

F/40

2F

Correct Answer:

F/40

Explanation:

F' = 2F/80 = F/40