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I'm not an expert teacher or lecturer of chemistry. I was only a student from SMA NEGERI 15 SURABAYA who had been one of the Bronze Medalist Participants of Olimpiade Sains Nasional X (2011) of Chemistry In Manado, North Sulawesi, 11 - 16 September 2011 and graduated in 2012. Now, I'm studying at Universitas Airlangga in Surabaya, Indonesia. I do love chemistry and I would like to help them who had difficulties in studying chemistry. That's why, please understand me if you found some misconcepts in my entries. Suggestions are always necessary in order to develop this blog. And I'm sorry because my English isn't so well.

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Monday, July 16, 2012

Energy and Wavelength

My friend ask me, "How do we calculate the temperature of the sun?"

Simply, sun emits energy.
The relation between Energy and Wavelength is described with the formula as follows:


E = Energy (Joule)
h = Planck Constant (6.626 x 10-34 J s)
c =  Velocity of light at vacuum ( 3 x 108 m s-2)
ν =  Frequency (Hz)
λ =  Wavelength (m)

And what is the relation between wavelength and temperature?
You can read it in my previuos posting: Black Body Radiation.

Thank You.

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