ilovebmth1234
  • ilovebmth1234
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
Chemistry
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SOLVED
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katieb
  • katieb
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ilovebmth1234
  • ilovebmth1234
@Missiey im sorry i know you helped me a lot yesterday but you think you could help me one or two more times xD
anonymous
  • anonymous
yes give me a sec
ilovebmth1234
  • ilovebmth1234
thank you so much!

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anonymous
  • anonymous
6.6745 x 10-26 joules secon is what i got
anonymous
  • anonymous
u have another one
ilovebmth1234
  • ilovebmth1234
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
ilovebmth1234
  • ilovebmth1234
my guess was gamma rays
anonymous
  • anonymous
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
anonymous
  • anonymous
sorry wanted to atleast explain alittle
ilovebmth1234
  • ilovebmth1234
thats okay lol explaining is good :) thanks
anonymous
  • anonymous
no prob
anonymous
  • anonymous
anymore
ilovebmth1234
  • ilovebmth1234
maybe one i have to answer this question i know this one(:
ilovebmth1234
  • ilovebmth1234
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
anonymous
  • anonymous
Radiant belongs to the electromagnetic force and travels through the electromagnetic field.
ilovebmth1234
  • ilovebmth1234
so B
anonymous
  • anonymous
yes
ilovebmth1234
  • ilovebmth1234
thank you so much for all your help!
anonymous
  • anonymous
anytime

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