(A) : A small metal ball is suspended in a uniform electric field with an insulated thread. If high energy X-ray beam falls on the ball, the ball will be deflected in the electric field.
( R ) : X-rays emits photoelectron and metal becomes negatively charged.

Options

A. Both A and R are true and R explain A
B. Both A and R are true and R does not explain A
C. A is true but R is false
D. A is false but R is true

Answer

C