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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

Do the unit conversions necessary to show that h c = 1240 eV nm , as stated in the text.

To determine

The unit conversions necessary to show that, hc=1240 eVnm .

Explanation

Given info:

  c=2.99792×108ms

  h=6.62607×1034 Js

Calculation:

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

  1J=11.6×1019 eV

  1m=1.0×109nm

Substituting the values of velocity of light and Planck's constant, we get

  hc(6.62607×1034 J

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