Assertion (A),In the Thomson's e/m experiment of electrons, the specific charge of electrons is independent of natural of the discharge tube
Reason (R ): Charge of a body is quantized

Options

A. `A` and `R` are true and `R` is the correct explaination of `A`
B. `A` and `R` are true and `R`is not the correct explaination of `A`
C. `A` is true and `R` is false.
D. `A` is false but `R` is true

Answer

B