Modern Physics 4 Question 19

19. X-rays are produced in an X-ray tube operating at a given accelerating voltage. The wavelength of the continuous X-rays has values from

(1998,2M)

(a) 0 to

(c) 0 to λmax where λmax<

(d) λmin to λmax  where 0<λmin<λmax<

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Solution:

  1. The continuous X-ray spectrum is shown in figure.

All wavelengths >λmin are found, where

λmin=12375V( in volt )\AA

Here, V is the applied voltage.



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