a) The efficiencies of 5 process steps, starting from the primary energy to the useful energy are given as 90 %, 75 %, 7

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answerhappygod
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a) The efficiencies of 5 process steps, starting from the primary energy to the useful energy are given as 90 %, 75 %, 7

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a) The efficiencies of 5 process steps, starting from theprimary energy to the useful energy are given as 90 %, 75 %, 70 %,95 %, and 40 %. What is the overall efficiency?
b) Note the whole spectrum of electromagnetic waves and pointout the area of visible light. Show qualitatively the change of theenergy level while the wavelength is decreasing.
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