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| 1. |
How arethe characteristic X-rays spectrum formed? |
| Answer» Solution :When high ENERGY cathode rays fall on the target of an X-ray tube, deep rooted electrons of the target atoms may come out. If, say, a K- shell electron comes out of an atom, the vacancy is filled up by an electron of the IMMEDIATELY outer shells (L,M, ...). This electron transition PRODUCES as X-ray photon, whose frequency characterisesthe target atom. This is CHARACTERISTIC X-ray. | |