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College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

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BuyFindarrow_forward

College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

How many x-ray photons per second are created by an x ray tube that produces a flux of x rays having a power of 1.00 W? Assume the average energy per photon is 75.0 keV.

To determine

The x-ray photons per second are created by an x-ray tube that produces a flux of x rays having a power of 1.00 W .Assume the average energy per photon is 75.0 keV .

Explanation

Given info:

  p=1.00 W

  E=75.0×103 eV

Calculation:

The number of photons per second are emitted by the flux of x- rays the satellite, we get

  p=nE  

Substituting the given values

  n=pE  

Substituting the given values of joule in term of electron volt, we get

  1J=11.6×1019 eV

  n=1

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