Question
Physics Question on Capacitors
Two identical charged spheres are suspended by strings of equal lengths. The strings make an angle of 30° with each other. When suspended in a liquid of density 0.8 g cm-3 the angle remains the same. If density of the material of the sphere is 1.6 g cm-3, the dielectric constant of the liquid is
A
1
B
4
C
3
D
2
Answer
2
Explanation
Solution
The correct option is (D) : 2.