Gary 發問於 科學及數學其他 - 科學 · 1 十年 前



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  • Peterr
    Lv 6
    1 十年 前


    From Wikipedia:

    A solar collector is a device for extracting the energy of the sun directly into a more usable or storable form. The energy in sunlight is in the form of electromagnetic radiation from the infrared (long) to the ultraviolet (short) wavelengths. The solar energy striking the earth's surface at any one time depends on weather conditions, as well as location and orientation of the surface, but overall, it averages about 1000 watts per square meter on a clear day with the surface directly perpendicular to the sun's rays.

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    資料來源: wikipedia
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