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Wave Optics
Question
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The potential difference applied to an X-ray tube is 5 kV and the current through it is 3.2 mA. Then the number of electrons striking the target per second is
  • 2 x 1016
  • 5 x 1016
  • 1 x 1017
  • 4 x 1015

Answer

A.

2 x 1016

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