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sodie69

  • 3 years ago

Need help, Calculate the wavelength of a proton with energy 2.45eV.

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  1. Yahoo!
    • 3 years ago
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    E = hv E = h c/ wavelength wave-lenght = hc/E

  2. Yahoo!
    • 3 years ago
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    1eV = 1.6*10^-19 J

  3. heena
    • 3 years ago
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    trick always remember dat hc=2 x 10^-25 it will make ur calculation easy

  4. sang.yasha
    • 3 years ago
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    I can't get the right answer in meter... Please help :(

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