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NEET 1995 (AIPMT) · Quantum Numbers, X-rays & Other Questions

Quantum Numbers, X-rays & Other Questions question from NEET 1995 (AIPMT)

Q10NEET 1995 · AIPMTEasy

Quantum Numbers, X-rays & Other Questions

The figure represents the observed intensity of X-rays emitted by an X-ray tube, as a function of wavelength. The sharp peaks $A$ and $B$ denote

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Answer: (b)

An X-ray tube gives a smooth continuous (bremsstrahlung) background.
Sharp peaks on top of it come from electron transitions between inner shells of the target atoms ( $K_\alpha$ , $K_\beta$ ), which depend on the target element.
So the answer is (b) characteristic radiations.

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