- Home
- Standard 12
- Physics
Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A:$ Two metallic spheres are charged to the same potential. One of them is hollow and another is solid, and both have the same radii. Solid sphere will have lower charge than the hollow one.
Reason $R:$ Capacitance of metallic spheres depend on the radii of spheres.
In the light of the above statements, choose the correct answer from the options given below.
$A$ is false but $R$ is true
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
$A$ is true but $R$ is false
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
Solution
Potential of a conducting sphere is
$V =\frac{ KQ }{ R } \text { (Solid as well as hollow) }$
$V _1= V _2 \text { and } R _1= R _2$
$\therefore Q _1= Q _2$
