Question

 Describe various component of Solar radiation. Discuss and draw spectral energy distribution of solar radiation at extra-terrestrial and terrestrial.

06 Mar 2026
Answer :
Word Count : 277
Solar radiation is the energy emitted by the Sun in the form of electromagnetic waves, which reaches the Earth and is utilized in solar energy applications. The main components of solar radiation include ultraviolet (UV) radiation, visible light, and infrared (IR) radiation. Ultraviolet radiation has wavelengths shorter than 400 nanometers and carries high energy, which can cause chemical reactions and is partially absorbed by the ozone layer. Visible light, ranging from 400 to 700 nanometers, is the portion of solar radiation that is most useful for photosynthesis and photovoltaic energy conversion. Infrared radiation, with wavelengths longer than 700 nanometers, contributes
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