Question

The characteristic X-ray radiation is emitted when

(A) The bombarding electrons knock out electrons from the inner shell of the target atoms and one of the outer electrons falls into this vacancy.

(B) The valance electrons are removed from the target atoms as a result of the collision.

(C) The source of electrons emits a mono energetic beam.

(D) The electrons are accelerated to a fixed energy.

Answer 1

Correct Answer is: (A) The bombarding electrons knock out electrons from the inner shell of the target atoms and one of the outer electrons falls into this vacancy.