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The characteristic X-ray radiation is em...

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.

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A
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