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ilovebmth1234

  • one year ago

A photon has a wavelength of 6.2 meters. Calculate the energy of the photon in joules. (Planck's constant is 6.626 × 10È³Ê joule seconds, the speed of light is 2.998 × 10§ m/s)

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  1. ilovebmth1234
    • one year ago
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    A. \[3.564*10^{-43}\] B. \[3.204*10^{-26}\] C.\[41.08*10^{-34}\] D. \[13.702*10^{-42}\]

  2. AlexanderPhantomhive
    • one year ago
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    E = hc / λ E = ((6.626*10^-34)*(2.998*10^8)) / 6.2 E = 3.17*10^-26 J

  3. AlexanderPhantomhive
    • one year ago
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    gosh i really dont know im stumped.

  4. ilovebmth1234
    • one year ago
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    that's okay i couldn't figure it out either this equation thing confused me

  5. ilovebmth1234
    • one year ago
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    im gonna try your answer and if i get it wrong ill let you know:3

  6. Abhisar
    • one year ago
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    Energy = \(\Large\sf \frac{HC}{\lambda}\)

  7. ilovebmth1234
    • one year ago
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    wait scratch that most of your answer was right

  8. Abhisar
    • one year ago
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    What?

  9. Abhisar
    • one year ago
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    Plug in the values, Energy = \(\sf \Large \frac{6.626 \times 10^{-34} \times 3 \times 10^8}{6.2}\)

  10. ilovebmth1234
    • one year ago
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    i went for answer B witch was closer to @AlexanderPhantomhive's answer she got and i got it right so the answer is B. 3.204x10^-26

  11. Abhisar
    • one year ago
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    Yes, that's \(\huge \checkmark\)

  12. ilovebmth1234
    • one year ago
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    thank you! both of you for your help :3 i wish i could give both of you medals

  13. Abhisar
    • one year ago
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    You're most welcome c;

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