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ilovebmth1234

  • one year ago

What is the energy of a photon of light having a wavelength of 4.5 x 10-7 meters? (Planck’s constant is 6.626 x 10-34 joule seconds; the speed of light is 2.998 x 108 m/s) 2.9817 x 10-40 joules 4.4143 x 10-19 joules 6.6745 x 10-26 joules second 9.9456 x 10-49 joules 19.864 x 10-26 joules/second

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  1. ilovebmth1234
    • one year ago
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    @Missiey im sorry i know you helped me a lot yesterday but you think you could help me one or two more times xD

  2. anonymous
    • one year ago
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    yes give me a sec

  3. ilovebmth1234
    • one year ago
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    thank you so much!

  4. anonymous
    • one year ago
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    6.6745 x 10-26 joules secon is what i got

  5. anonymous
    • one year ago
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    u have another one

  6. ilovebmth1234
    • one year ago
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    yes, The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region? gamma rays visible light microwaves radio waves x–rays

  7. ilovebmth1234
    • one year ago
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    my guess was gamma rays

  8. anonymous
    • one year ago
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    The wavelength is L=c/f = 2.998*10^8/3*10^19 = ~10^-11m = 0.01nm That is border-line between gamma and x-ray, but if you'd have to choose just one answer based on 10^-11m wavelength as threshold it would be gamma as the result of the calculation is slightly below 10^-11 2.998*10^8/3*10^19 = 0.9993*10^-11 in short yes gamma ray

  9. anonymous
    • one year ago
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    sorry wanted to atleast explain alittle

  10. ilovebmth1234
    • one year ago
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    thats okay lol explaining is good :) thanks

  11. anonymous
    • one year ago
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    no prob

  12. anonymous
    • one year ago
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    anymore

  13. ilovebmth1234
    • one year ago
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    maybe one i have to answer this question i know this one(:

  14. ilovebmth1234
    • one year ago
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    In what form does all radiant energy travel through space? In the form of light. In the form of electromagnetic radiation. In the form of accelerating protons. In the form of heat energy. In the form of accelerating neutrons

  15. anonymous
    • one year ago
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    Radiant belongs to the electromagnetic force and travels through the electromagnetic field.

  16. ilovebmth1234
    • one year ago
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    so B

  17. anonymous
    • one year ago
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    yes

  18. ilovebmth1234
    • one year ago
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    thank you so much for all your help!

  19. anonymous
    • one year ago
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    anytime

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